diff --git a/core/SConscript.bootloader b/core/SConscript.bootloader
index 231d6b1c5..0c05e7838 100644
--- a/core/SConscript.bootloader
+++ b/core/SConscript.bootloader
@@ -1,7 +1,7 @@
 # pylint: disable=E0602
 
 import os
-import tools, models
+import tools, models, ui
 
 TREZOR_MODEL = ARGUMENTS.get('TREZOR_MODEL', 'T')
 CMAKELISTS = int(ARGUMENTS.get('CMAKELISTS', 0))
@@ -24,34 +24,7 @@ SOURCE_MOD_CRYPTO = []
 CPPDEFINES_HAL = []
 SOURCE_HAL = []
 PATH_HAL = []
-
-if TREZOR_MODEL in ('R', 'T3B1'):
-    FONT_NORMAL='Font_PixelOperator_Regular_8'
-    FONT_DEMIBOLD='Font_PixelOperator_Regular_8'
-    FONT_BOLD='Font_PixelOperator_Bold_8'
-    FONT_MONO='Font_PixelOperator_Regular_8'
-    FONT_BIG='Font_PixelOperator_Regular_8'
-    FONT_NORMAL_UPPER='Font_PixelOperator_Regular_8_upper'
-    FONT_BOLD_UPPER=None
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T', 'DISC1', 'DISC2'):
-    FONT_NORMAL='Font_TTHoves_Regular_21'
-    FONT_DEMIBOLD='Font_TTHoves_Regular_21'
-    FONT_BOLD='Font_TTHoves_Bold_17_upper'
-    FONT_MONO='Font_TTHoves_Regular_21'
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER='Font_TTHoves_Bold_17_upper'
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T3T1',):
-    FONT_NORMAL='Font_TTSatoshi_DemiBold_21'
-    FONT_DEMIBOLD='Font_TTSatoshi_DemiBold_21'
-    FONT_BOLD='Font_TTHoves_Bold_17_upper'
-    FONT_MONO='Font_TTSatoshi_DemiBold_21'
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER='Font_TTHoves_Bold_17_upper'
-    FONT_SUB=None
+RUST_UI_FEATURES = []
 
 # modtrezorcrypto
 CCFLAGS_MOD += '-Wno-sequence-point '
@@ -65,7 +38,6 @@ CPPDEFINES_MOD += [
     'AES_192',
     'USE_KECCAK',
     'ED25519_NO_PRECOMP',
-    'TREZOR_UI2',
     'FANCY_FATAL_ERROR',
 ]
 
@@ -132,15 +104,7 @@ SOURCE_NANOPB = [
     'vendor/nanopb/pb_encode.c',
 ]
 
-# fonts
-tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD', FONT_BOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('DEMIBOLD', FONT_DEMIBOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('MONO', FONT_MONO, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('NORMAL_UPPER', FONT_NORMAL_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD_UPPER', FONT_BOLD_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('SUB', FONT_SUB, CPPDEFINES_MOD, SOURCE_MOD)
+ui.init_ui(TREZOR_MODEL, "bootloader", CPPDEFINES_MOD, SOURCE_MOD, RUST_UI_FEATURES)
 
 env = Environment(
     ENV=os.environ,
@@ -246,16 +210,9 @@ def cargo_build():
         profile = '--release'
     else:
         profile = ''
-    if TREZOR_MODEL in ("R", "T3B1"):
-        features = ["model_tr"]
-    elif TREZOR_MODEL in ("T3T1",):
-        features = ["model_mercury"]
-    else:
-        features = ["model_tt"]
-
-    if TREZOR_MODEL in ("R",):
-        features.append("ui_empty_lock")
 
+    features = []
+    features.extend(RUST_UI_FEATURES)
     features.append("ui")
     features.append("bootloader")
     features.extend(FEATURES_AVAILABLE)
diff --git a/core/SConscript.bootloader_ci b/core/SConscript.bootloader_ci
index e02567c4e..3e11207dc 100644
--- a/core/SConscript.bootloader_ci
+++ b/core/SConscript.bootloader_ci
@@ -1,7 +1,7 @@
 # pylint: disable=E0602
 
 import os
-import tools, models
+import tools, models, ui
 
 TREZOR_MODEL = ARGUMENTS.get('TREZOR_MODEL', 'T')
 CMAKELISTS = int(ARGUMENTS.get('CMAKELISTS', 0))
@@ -22,34 +22,7 @@ SOURCE_MOD_CRYPTO = []
 CPPDEFINES_HAL = []
 SOURCE_HAL = []
 PATH_HAL = []
-
-if TREZOR_MODEL in ('R', 'T3B1'):
-    FONT_NORMAL='Font_PixelOperator_Regular_8'
-    FONT_DEMIBOLD=None
-    FONT_BOLD=None
-    FONT_MONO='Font_PixelOperatorMono_Regular_8'
-    FONT_BIG='Font_PixelOperator_Regular_8'
-    FONT_NORMAL_UPPER='Font_PixelOperator_Regular_8_upper'
-    FONT_BOLD_UPPER=None
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T', 'DISC1', 'DISC2'):
-    FONT_NORMAL='Font_Roboto_Regular_20'
-    FONT_DEMIBOLD=None
-    FONT_BOLD=None
-    FONT_MONO='Font_RobotoMono_Medium_20'
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER=None
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T3T1',):
-    FONT_NORMAL='Font_TTSatoshi_DemiBold_21'
-    FONT_DEMIBOLD=None
-    FONT_BOLD=None
-    FONT_MONO='Font_RobotoMono_Medium_21'
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER=None
-    FONT_SUB=None
+RUST_UI_FEATURES = []
 
 # modtrezorcrypto
 CCFLAGS_MOD += '-Wno-sequence-point '
@@ -125,15 +98,7 @@ SOURCE_NANOPB = [
     'vendor/nanopb/pb_encode.c',
 ]
 
-# fonts
-tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD', FONT_BOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('DEMIBOLD', FONT_DEMIBOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('MONO', FONT_MONO, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('NORMAL_UPPER', FONT_NORMAL_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD_UPPER', FONT_BOLD_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('SUB', FONT_SUB, CPPDEFINES_MOD, SOURCE_MOD)
+ui.init_ui(TREZOR_MODEL, "bootloader", CPPDEFINES_MOD, SOURCE_MOD, RUST_UI_FEATURES)
 
 env = Environment(
     ENV=os.environ, CFLAGS='%s -DPRODUCTION=%s' % (ARGUMENTS.get('CFLAGS', ''), ARGUMENTS.get('PRODUCTION', '0')),
diff --git a/core/SConscript.bootloader_emu b/core/SConscript.bootloader_emu
index 10fc4c6b1..f2c3d770f 100644
--- a/core/SConscript.bootloader_emu
+++ b/core/SConscript.bootloader_emu
@@ -1,7 +1,7 @@
 # pylint: disable=E0602
 
 import os
-import tools, models
+import tools, models, ui
 
 TREZOR_MODEL = ARGUMENTS.get('TREZOR_MODEL', 'T')
 CMAKELISTS = int(ARGUMENTS.get('CMAKELISTS', 0))
@@ -32,34 +32,7 @@ PATH_HAL = []
 CPPDEFINES_MOD = []
 SOURCE_MOD = []
 SOURCE_MOD_CRYPTO = []
-
-if TREZOR_MODEL in ('R', 'T3B1'):
-    FONT_NORMAL='Font_PixelOperator_Regular_8'
-    FONT_DEMIBOLD='Font_PixelOperator_Regular_8'
-    FONT_BOLD='Font_PixelOperator_Bold_8'
-    FONT_MONO='Font_PixelOperator_Regular_8'
-    FONT_BIG='Font_PixelOperator_Regular_8'
-    FONT_NORMAL_UPPER='Font_PixelOperator_Regular_8_upper'
-    FONT_BOLD_UPPER=None
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T', 'DISC2'):
-    FONT_NORMAL='Font_TTHoves_Regular_21'
-    FONT_DEMIBOLD=None
-    FONT_BOLD=None
-    FONT_MONO=None
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER='Font_TTHoves_Bold_17_upper'
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T3T1',):
-    FONT_NORMAL='Font_TTSatoshi_DemiBold_21'
-    FONT_DEMIBOLD='Font_TTSatoshi_DemiBold_21'
-    FONT_BOLD=None
-    FONT_MONO='Font_TTSatoshi_DemiBold_21'
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER='Font_TTHoves_Bold_17_upper'
-    FONT_SUB=None
+RUST_UI_FEATURES = []
 
 # modtrezorcrypto
 CCFLAGS_MOD += '-Wno-sequence-point '
@@ -73,7 +46,6 @@ CPPDEFINES_MOD += [
     'AES_192',
     'USE_KECCAK',
     'ED25519_NO_PRECOMP',
-    'TREZOR_UI2',
     'FANCY_FATAL_ERROR'
 ]
 SOURCE_MOD_CRYPTO += [
@@ -177,17 +149,7 @@ SOURCE_UNIX = [
     'embed/unix/profile.c',
 ]
 
-
-
-# fonts
-tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD', FONT_BOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('DEMIBOLD', FONT_DEMIBOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('MONO', FONT_MONO, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('NORMAL_UPPER', FONT_NORMAL_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD_UPPER', FONT_BOLD_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('SUB', FONT_SUB, CPPDEFINES_MOD, SOURCE_MOD)
+ui.init_ui(TREZOR_MODEL, "bootloader", CPPDEFINES_MOD, SOURCE_MOD, RUST_UI_FEATURES)
 
 env = Environment(ENV=os.environ, CFLAGS='%s -DCONFIDENTIAL= -DPRODUCTION=%s' % (ARGUMENTS.get('CFLAGS', ''), ARGUMENTS.get('PRODUCTION', '0')))
 
@@ -276,19 +238,12 @@ else:
 RUST_LIBPATH = f'{RUST_LIBDIR}/lib{RUST_LIB}.a'
 
 def cargo_build():
-    if TREZOR_MODEL in ("R", "T3B1"):
-        features = ["model_tr"]
-    elif TREZOR_MODEL in ("T3T1",):
-        features = ["model_mercury"]
-    else:
-        features = ["model_tt"]
-
-    if TREZOR_MODEL in ("R",):
-        features.append("ui_empty_lock")
+    features = []
 
     if NEW_RENDERING:
         features.append('new_rendering')
 
+    features.extend(RUST_UI_FEATURES)
     features.append("ui")
     features.append("bootloader")
     features.extend(FEATURES_AVAILABLE)
diff --git a/core/SConscript.firmware b/core/SConscript.firmware
index 5e486bfcf..63744c2bd 100644
--- a/core/SConscript.firmware
+++ b/core/SConscript.firmware
@@ -2,7 +2,7 @@
 # fmt: off
 
 import os
-import tools, models
+import tools, models, ui
 
 BITCOIN_ONLY = ARGUMENTS.get('BITCOIN_ONLY', '0')
 PRODUCTION = ARGUMENTS.get('PRODUCTION', '0') == '1'
@@ -38,37 +38,10 @@ SOURCE_MOD_CRYPTO = []
 CPPDEFINES_HAL = []
 SOURCE_HAL = []
 PATH_HAL = []
+RUST_UI_FEATURES = []
 
 FROZEN = True
 
-if TREZOR_MODEL in ('R', 'T3B1'):
-    FONT_NORMAL='Font_PixelOperator_Regular_8'
-    FONT_DEMIBOLD='Font_Unifont_Bold_16'
-    FONT_BOLD='Font_PixelOperator_Bold_8'
-    FONT_MONO='Font_PixelOperatorMono_Regular_8'
-    FONT_BIG='Font_Unifont_Regular_16'
-    FONT_NORMAL_UPPER='Font_PixelOperator_Regular_8_upper'
-    FONT_BOLD_UPPER='Font_PixelOperator_Bold_8_upper'
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T', 'DISC1', 'DISC2'):
-    FONT_NORMAL='Font_TTHoves_Regular_21'
-    FONT_DEMIBOLD='Font_TTHoves_DemiBold_21'
-    FONT_BOLD=None
-    FONT_MONO='Font_RobotoMono_Medium_20'
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER='Font_TTHoves_Bold_17_upper'
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T3T1',):
-    FONT_NORMAL='Font_TTSatoshi_DemiBold_21'
-    FONT_DEMIBOLD='Font_TTSatoshi_DemiBold_21'
-    FONT_BOLD='Font_TTSatoshi_DemiBold_21'
-    FONT_MONO='Font_RobotoMono_Medium_21'
-    FONT_BIG='Font_TTSatoshi_DemiBold_42'
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER=None
-    FONT_SUB='Font_TTSatoshi_DemiBold_18'
-
 # modtrezorconfig
 CPPPATH_MOD += [
     'embed/extmod/modtrezorconfig',
@@ -252,7 +225,6 @@ else:
 
 
 CPPDEFINES_MOD += [
-    'TREZOR_UI2',
     'TRANSLATIONS',
     'FANCY_FATAL_ERROR',
     ]
@@ -404,15 +376,7 @@ if THP:
         'vendor/trezor-crypto/elligator2.c',
     ]
 
-# fonts
-tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD', FONT_BOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('DEMIBOLD', FONT_DEMIBOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('MONO', FONT_MONO, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('NORMAL_UPPER', FONT_NORMAL_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD_UPPER', FONT_BOLD_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('SUB', FONT_SUB, CPPDEFINES_MOD, SOURCE_MOD)
+ui.init_ui(TREZOR_MODEL, "firmware", CPPDEFINES_MOD, SOURCE_MOD, RUST_UI_FEATURES)
 
 SOURCE_QSTR = SOURCE_MOD + SOURCE_MICROPYTHON + SOURCE_MICROPYTHON_SPEED
 
@@ -434,19 +398,6 @@ SOURCE_FIRMWARE = [
     f'embed/trezorhal/{FILE_SUFFIX}/startup_stage_4.s',
 ]
 
-
-if TREZOR_MODEL in ('T', 'DISC1', 'DISC2'):
-    UI_LAYOUT = 'UI_LAYOUT_TT'
-    ui_layout_feature = 'model_tt'
-elif TREZOR_MODEL in ('R', 'T3B1'):
-    UI_LAYOUT = 'UI_LAYOUT_TR'
-    ui_layout_feature = 'model_tr'
-elif TREZOR_MODEL in ('T3T1',):
-    UI_LAYOUT = 'UI_LAYOUT_MERCURY'
-    ui_layout_feature = 'model_mercury'
-else:
-    raise ValueError('Unknown Trezor model')
-
 if 'sd_card' in FEATURES_AVAILABLE:
     SDCARD = True
 else:
@@ -499,7 +450,7 @@ env.Replace(
         'TREZOR_MODEL_'+TREZOR_MODEL,
         'USE_HAL_DRIVER',
         'ARM_USER_MODE',
-        UI_LAYOUT,
+        ui.get_ui_layout(TREZOR_MODEL),
     ] + CPPDEFINES_MOD + CPPDEFINES_HAL,
     ASFLAGS=env.get('ENV')['CPU_ASFLAGS'],
     ASPPFLAGS='$CFLAGS $CCFLAGS',
@@ -601,26 +552,14 @@ if FROZEN:
             SOURCE_PY_DIR + 'trezor/ui/layouts/fido.py',
         ] if not EVERYTHING else []
     ))
-    if UI_LAYOUT == 'UI_LAYOUT_TT':
-        SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'trezor/ui/layouts/tt/*.py',
-            exclude=[
-                SOURCE_PY_DIR + 'trezor/ui/layouts/tt/fido.py',
-            ] if not EVERYTHING else []
-        ))
-    elif UI_LAYOUT == 'UI_LAYOUT_TR':
-        SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'trezor/ui/layouts/tr/*.py',
-            exclude=[
-                SOURCE_PY_DIR + 'trezor/ui/layouts/tr/fido.py',
-            ] if not EVERYTHING else []
-        ))
-    elif UI_LAYOUT == 'UI_LAYOUT_MERCURY':
-        SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'trezor/ui/layouts/mercury/*.py',
-            exclude=[
-                SOURCE_PY_DIR + 'trezor/ui/layouts/mercury/fido.py',
-            ] if not EVERYTHING else []
-        ))
-    else:
-        raise ValueError('Unknown layout')
+
+    layout_path = ui.get_ui_layout_path(TREZOR_MODEL)
+
+    SOURCE_PY.extend(Glob(SOURCE_PY_DIR + layout_path + '*.py',
+        exclude=[
+            SOURCE_PY_DIR + layout_path + 'fido.py',
+        ] if not EVERYTHING else []
+    ))
 
     SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'trezor/wire/*.py'))
 
@@ -729,7 +668,7 @@ if FROZEN:
         bitcoin_only=BITCOIN_ONLY,
         backlight='backlight' in FEATURES_AVAILABLE,
         optiga='optiga' in FEATURES_AVAILABLE,
-        ui_layout=UI_LAYOUT,
+        ui_layout=ui.get_ui_layout(TREZOR_MODEL),
         thp=THP,
         )
 
@@ -796,25 +735,20 @@ def cargo_build():
     else:
         profile = ''
 
-    features = ['micropython', 'protobuf', ui_layout_feature]
+    features = ['micropython', 'protobuf']
     if EVERYTHING:
         features.append('universal_fw')
+    features.extend(RUST_UI_FEATURES)
     features.append('ui')
     features.append('translations')
 
+
     if NEW_RENDERING:
         features.append('new_rendering')
 
     if PYOPT == '0':
         features.append('debug')
         features.append('ui_debug')
-    if TREZOR_MODEL in ('T', 'T3T1', 'DISC1', 'DISC2'):
-        features.append('ui_blurring')
-        features.append('ui_jpeg_decoder')
-
-    if NEW_RENDERING and TREZOR_MODEL in ('T3T1', 'DISC2'):
-        features.append('ui_image_buffer')
-        features.append('ui_overlay')
 
     features.extend(FEATURES_AVAILABLE)
 
diff --git a/core/SConscript.prodtest b/core/SConscript.prodtest
index 97f475669..0fafdc092 100644
--- a/core/SConscript.prodtest
+++ b/core/SConscript.prodtest
@@ -1,7 +1,7 @@
 # pylint: disable=E0602
 
 import os
-import tools, models
+import tools, models, ui
 
 TREZOR_MODEL = ARGUMENTS.get('TREZOR_MODEL', 'T')
 CMAKELISTS = int(ARGUMENTS.get('CMAKELISTS', 0))
@@ -27,34 +27,7 @@ SOURCE_MOD_CRYPTO = []
 CPPDEFINES_HAL = []
 SOURCE_HAL = []
 PATH_HAL = []
-
-if TREZOR_MODEL in ('R', 'T3B1'):
-    FONT_NORMAL=None
-    FONT_DEMIBOLD=None
-    FONT_BOLD='Font_PixelOperator_Bold_8'
-    FONT_MONO=None
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER=None
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T', 'DISC1', 'DISC2'):
-    FONT_NORMAL=None
-    FONT_DEMIBOLD=None
-    FONT_BOLD='Font_Roboto_Bold_20'
-    FONT_MONO=None
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER=None
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T3T1',):
-    FONT_NORMAL='Font_TTSatoshi_DemiBold_21'
-    FONT_DEMIBOLD=None
-    FONT_BOLD='Font_TTSatoshi_DemiBold_21'
-    FONT_MONO='Font_RobotoMono_Medium_21'
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER=None
-    FONT_SUB=None
+RUST_UI_FEATURES = []
 
 # modtrezorcrypto
 CPPPATH_MOD += [
@@ -123,16 +96,7 @@ else:
         'embed/lib/display_draw.c',
     ]
 
-
-# fonts
-tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD', FONT_BOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('DEMIBOLD', FONT_DEMIBOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('MONO', FONT_MONO, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('NORMAL_UPPER', FONT_NORMAL_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD_UPPER', FONT_BOLD_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('SUB', FONT_SUB, CPPDEFINES_MOD, SOURCE_MOD)
+ui.init_ui(TREZOR_MODEL, "prodtest", CPPDEFINES_MOD, SOURCE_MOD, RUST_UI_FEATURES)
 
 env = Environment(
     ENV=os.environ,
diff --git a/core/SConscript.reflash b/core/SConscript.reflash
index 150de4b5b..1309f58d4 100644
--- a/core/SConscript.reflash
+++ b/core/SConscript.reflash
@@ -1,7 +1,7 @@
 # pylint: disable=E0602
 
 import os
-import tools, models
+import tools, models, ui
 
 TREZOR_MODEL = ARGUMENTS.get('TREZOR_MODEL', 'T')
 CMAKELISTS = int(ARGUMENTS.get('CMAKELISTS', 0))
@@ -32,34 +32,7 @@ SOURCE_MOD_CRYPTO = []
 CPPDEFINES_HAL = []
 SOURCE_HAL = []
 PATH_HAL = []
-
-if TREZOR_MODEL in ('R', 'T3B1'):
-    FONT_NORMAL=None
-    FONT_DEMIBOLD=None
-    FONT_BOLD='Font_PixelOperator_Bold_8'
-    FONT_MONO=None
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER=None
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T',):
-    FONT_NORMAL=None
-    FONT_DEMIBOLD=None
-    FONT_BOLD='Font_Roboto_Bold_20'
-    FONT_MONO=None
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER=None
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T3T1',):
-    FONT_NORMAL=None
-    FONT_DEMIBOLD=None
-    FONT_BOLD='Font_TTSatoshi_DemiBold_21'
-    FONT_MONO=None
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER=None
-    FONT_SUB=None
+RUST_UI_FEATURES = []
 
 CPPDEFINES_MOD += [
     'KERNEL_MODE',
@@ -109,15 +82,7 @@ else:
     ]
 
 
-# fonts
-tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD', FONT_BOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('DEMIBOLD', FONT_DEMIBOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('MONO', FONT_MONO, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('NORMAL_UPPER', FONT_NORMAL_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD_UPPER', FONT_BOLD_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('SUB', FONT_SUB, CPPDEFINES_MOD, SOURCE_MOD)
+ui.init_ui(TREZOR_MODEL, "prodtest", CPPDEFINES_MOD, SOURCE_MOD, RUST_UI_FEATURES)
 
 env = Environment(
     ENV=os.environ,
diff --git a/core/SConscript.unix b/core/SConscript.unix
index 83f7ead80..c23bad1fd 100644
--- a/core/SConscript.unix
+++ b/core/SConscript.unix
@@ -2,7 +2,7 @@
 # fmt: off
 
 import os
-import tools, models
+import tools, models, ui
 
 BITCOIN_ONLY = ARGUMENTS.get('BITCOIN_ONLY', '0')
 EVERYTHING = BITCOIN_ONLY != '1'
@@ -42,39 +42,12 @@ SOURCE_MOD = [
     'vendor/micropython/extmod/vfs_posix_file.c',
 ]
 SOURCE_MOD_CRYPTO = []
+RUST_UI_FEATURES = []
 
 PYOPT = ARGUMENTS.get('PYOPT', '1')
 FROZEN = ARGUMENTS.get('TREZOR_EMULATOR_FROZEN', 0)
 RASPI = os.getenv('TREZOR_EMULATOR_RASPI') == '1'
 
-if TREZOR_MODEL in ('R', 'T3B1'):
-    FONT_NORMAL='Font_PixelOperator_Regular_8'
-    FONT_DEMIBOLD='Font_Unifont_Bold_16'
-    FONT_BOLD='Font_PixelOperator_Bold_8'
-    FONT_MONO='Font_PixelOperatorMono_Regular_8'
-    FONT_BIG='Font_Unifont_Regular_16'
-    FONT_NORMAL_UPPER='Font_PixelOperator_Regular_8_upper'
-    FONT_BOLD_UPPER='Font_PixelOperator_Bold_8_upper'
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T',):
-    FONT_NORMAL='Font_TTHoves_Regular_21'
-    FONT_DEMIBOLD='Font_TTHoves_DemiBold_21'
-    FONT_BOLD=None
-    FONT_MONO='Font_RobotoMono_Medium_20'
-    FONT_BIG=None
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER='Font_TTHoves_Bold_17_upper'
-    FONT_SUB=None
-elif TREZOR_MODEL in ('T3T1',):
-    FONT_NORMAL='Font_TTSatoshi_DemiBold_21'
-    FONT_DEMIBOLD='Font_TTSatoshi_DemiBold_21'
-    FONT_BOLD='Font_TTSatoshi_DemiBold_21'
-    FONT_MONO='Font_RobotoMono_Medium_21'
-    FONT_BIG='Font_TTSatoshi_DemiBold_42'
-    FONT_NORMAL_UPPER=None
-    FONT_BOLD_UPPER=None
-    FONT_SUB='Font_TTSatoshi_DemiBold_18'
-
 # modtrezorconfig
 CPPPATH_MOD += [
     'embed/extmod/modtrezorconfig',
@@ -262,7 +235,6 @@ else:
     ]
 
 CPPDEFINES_MOD += [
-    'TREZOR_UI2',
     'TRANSLATIONS',
     'FANCY_FATAL_ERROR',
     ]
@@ -456,17 +428,7 @@ TRANSLATION_DATA = [
     "translations/order.json",
 ]
 
-
-# fonts
-tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD', FONT_BOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('DEMIBOLD', FONT_DEMIBOLD, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('MONO', FONT_MONO, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('NORMAL_UPPER', FONT_NORMAL_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('BOLD_UPPER', FONT_BOLD_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
-tools.add_font('SUB', FONT_SUB, CPPDEFINES_MOD, SOURCE_MOD)
-
+ui.init_ui(TREZOR_MODEL, "firmware", CPPDEFINES_MOD, SOURCE_MOD, RUST_UI_FEATURES)
 
 SOURCE_QSTR = SOURCE_MOD + SOURCE_MICROPYTHON + SOURCE_UNIX
 
@@ -479,18 +441,6 @@ env = Environment(ENV=os.environ, CFLAGS='%s -DCONFIDENTIAL= -DPYOPT=%s -DBITCOI
 
 FEATURES_AVAILABLE = models.configure_board(TREZOR_MODEL, HW_REVISION, FEATURES_WANTED, env, CPPDEFINES_HAL, SOURCE_UNIX, PATH_HAL)
 
-if TREZOR_MODEL in ('T',):
-    UI_LAYOUT = 'UI_LAYOUT_TT'
-    ui_layout_feature = 'model_tt'
-elif TREZOR_MODEL in ('R', 'T3B1'):
-    UI_LAYOUT = 'UI_LAYOUT_TR'
-    ui_layout_feature = 'model_tr'
-elif TREZOR_MODEL in ('T3T1',):
-    UI_LAYOUT = 'UI_LAYOUT_MERCURY'
-    ui_layout_feature = 'model_mercury'
-else:
-    raise ValueError('Unknown Trezor model')
-
 
 if 'sd_card' in FEATURES_AVAILABLE:
     SDCARD = True
@@ -576,7 +526,7 @@ env.Replace(
         'TREZOR_EMULATOR',
         'TREZOR_MODEL_'+TREZOR_MODEL,
         ('MP_CONFIGFILE', '\\"embed/unix/mpconfigport.h\\"'),
-        UI_LAYOUT,
+        ui.get_ui_layout(TREZOR_MODEL),
     ] + CPPDEFINES_MOD + CPPDEFINES_HAL,
     ASPPFLAGS='$CFLAGS $CCFLAGS', )
 
@@ -681,26 +631,14 @@ if FROZEN:
             SOURCE_PY_DIR + 'trezor/ui/layouts/fido.py',
         ] if not EVERYTHING else []
     ))
-    if UI_LAYOUT == 'UI_LAYOUT_TT':
-        SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'trezor/ui/layouts/tt/*.py',
-            exclude=[
-                SOURCE_PY_DIR + 'trezor/ui/layouts/tt/fido.py',
-            ] if not EVERYTHING else []
-        ))
-    elif UI_LAYOUT == 'UI_LAYOUT_TR':
-        SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'trezor/ui/layouts/tr/*.py',
-            exclude=[
-                SOURCE_PY_DIR + 'trezor/ui/layouts/tr/fido.py',
-            ] if not EVERYTHING else []
-        ))
-    elif UI_LAYOUT == 'UI_LAYOUT_MERCURY':
-        SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'trezor/ui/layouts/mercury/*.py',
-            exclude=[
-                SOURCE_PY_DIR + 'trezor/ui/layouts/mercury/fido.py',
-            ] if not EVERYTHING else []
-        ))
-    else:
-        raise ValueError('Unknown layout')
+
+    layout_path = ui.get_ui_layout_path(TREZOR_MODEL)
+
+    SOURCE_PY.extend(Glob(SOURCE_PY_DIR + layout_path + '*.py',
+        exclude=[
+            SOURCE_PY_DIR + layout_path + 'fido.py',
+        ] if not EVERYTHING else []
+    ))
 
     SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'trezor/wire/*.py'))
 
@@ -811,7 +749,7 @@ if FROZEN:
         bitcoin_only=BITCOIN_ONLY,
         backlight='backlight' in FEATURES_AVAILABLE,
         optiga=OPTIGA,
-        ui_layout=UI_LAYOUT,
+        ui_layout=ui.get_ui_layout(TREZOR_MODEL),
         thp=THP,
         )
 
@@ -877,9 +815,10 @@ RUST_LIB = 'trezor_lib'
 RUST_LIBPATH = f'{RUST_LIBDIR}/lib{RUST_LIB}.a'
 
 def cargo_build():
-    features = ['micropython', 'protobuf', ui_layout_feature]
+    features = ['micropython', 'protobuf']
     if EVERYTHING:
         features.append('universal_fw')
+    features.extend(RUST_UI_FEATURES)
     features.append('ui')
     features.append('translations')
 
@@ -888,14 +827,6 @@ def cargo_build():
 
     features.extend(FEATURES_AVAILABLE)
 
-    if TREZOR_MODEL in ('T', 'T3T1'):
-        features.append('ui_blurring')
-        features.append('ui_jpeg_decoder')
-
-    if NEW_RENDERING and TREZOR_MODEL in ('T3T1', ):
-        features.append('ui_image_buffer')
-        features.append('ui_overlay')
-
     if NEW_RENDERING:
         features.append('new_rendering')
 
diff --git a/core/embed/extmod/modtrezorutils/modtrezorutils-meminfo.h b/core/embed/extmod/modtrezorutils/modtrezorutils-meminfo.h
index 422c83caa..bf2887ca2 100644
--- a/core/embed/extmod/modtrezorutils/modtrezorutils-meminfo.h
+++ b/core/embed/extmod/modtrezorutils/modtrezorutils-meminfo.h
@@ -659,11 +659,9 @@ void dump_value_opt(FILE *out, mp_const_obj_t value, bool eval_short) {
     dump_protodef(out, value);
   }
 
-#ifdef TREZOR_UI2
   else if (mp_obj_is_type(value, ui_debug_layout_type())) {
     dump_uilayout(out, value);
   }
-#endif
 
   else {
     print_type(out, "unknown", NULL, value, true);
diff --git a/core/site_scons/models/D001/__init__.py b/core/site_scons/models/D001/__init__.py
index 8110fbd07..aa278d7bc 100644
--- a/core/site_scons/models/D001/__init__.py
+++ b/core/site_scons/models/D001/__init__.py
@@ -14,3 +14,11 @@ def configure_board(
     paths: list[str],
 ):
     return configure(env, features_wanted, defines, sources, paths)
+
+
+def get_model_ui() -> str:
+    return "tt"
+
+
+def get_model_ui_conf() -> list[str]:
+    return []
diff --git a/core/site_scons/models/D002/__init__.py b/core/site_scons/models/D002/__init__.py
index 87d5cc5c5..1ad22bd08 100644
--- a/core/site_scons/models/D002/__init__.py
+++ b/core/site_scons/models/D002/__init__.py
@@ -14,3 +14,11 @@ def configure_board(
     paths: list[str],
 ):
     return configure(env, features_wanted, defines, sources, paths)
+
+
+def get_model_ui() -> str:
+    return "tt"
+
+
+def get_model_ui_conf() -> list[str]:
+    return []
diff --git a/core/site_scons/models/T2B1/__init__.py b/core/site_scons/models/T2B1/__init__.py
index 352cc1961..8bd842200 100644
--- a/core/site_scons/models/T2B1/__init__.py
+++ b/core/site_scons/models/T2B1/__init__.py
@@ -31,3 +31,11 @@ def configure_board(
         return module.configure(env, features_wanted, defines, sources, paths)
 
     raise Exception("Unknown model_r_version")
+
+
+def get_model_ui() -> str:
+    return "tr"
+
+
+def get_model_ui_conf() -> list[str]:
+    return ["bootloader_empty_lock"]
diff --git a/core/site_scons/models/T2T1/__init__.py b/core/site_scons/models/T2T1/__init__.py
index ca5e0403e..959d2b92b 100644
--- a/core/site_scons/models/T2T1/__init__.py
+++ b/core/site_scons/models/T2T1/__init__.py
@@ -18,3 +18,11 @@ def configure_board(
         return emul(env, features_wanted, defines, sources, paths)
     else:
         return configure(env, features_wanted, defines, sources, paths)
+
+
+def get_model_ui() -> str:
+    return "tt"
+
+
+def get_model_ui_conf() -> list[str]:
+    return []
diff --git a/core/site_scons/models/T3B1/__init__.py b/core/site_scons/models/T3B1/__init__.py
index 4231282a8..f743d8297 100644
--- a/core/site_scons/models/T3B1/__init__.py
+++ b/core/site_scons/models/T3B1/__init__.py
@@ -28,3 +28,11 @@ def configure_board(
         return module.configure(env, features_wanted, defines, sources, paths)
 
     raise Exception("Unknown T3B1 revision")
+
+
+def get_model_ui() -> str:
+    return "tr"
+
+
+def get_model_ui_conf() -> list[str]:
+    return []
diff --git a/core/site_scons/models/T3T1/__init__.py b/core/site_scons/models/T3T1/__init__.py
index 6e343c3c0..1c14a0be3 100644
--- a/core/site_scons/models/T3T1/__init__.py
+++ b/core/site_scons/models/T3T1/__init__.py
@@ -29,3 +29,11 @@ def configure_board(
         return module.configure(env, features_wanted, defines, sources, paths)
 
     raise Exception("Unknown model_r_version")
+
+
+def get_model_ui() -> str:
+    return "mercury"
+
+
+def get_model_ui_conf() -> list[str]:
+    return []
diff --git a/core/site_scons/models/__init__.py b/core/site_scons/models/__init__.py
index 960b8be56..c239f3363 100644
--- a/core/site_scons/models/__init__.py
+++ b/core/site_scons/models/__init__.py
@@ -43,3 +43,13 @@ def get_model_identifier(model: str) -> str:
 def has_emulator(model: str) -> bool:
     imported_module = importlib.import_module("models." + get_model_identifier(model))
     return hasattr(imported_module, "emulator")
+
+
+def get_model_ui(model: str) -> str:
+    imported_module = importlib.import_module("models." + get_model_identifier(model))
+    return imported_module.get_model_ui()
+
+
+def get_model_ui_conf(model: str) -> str:
+    imported_module = importlib.import_module("models." + get_model_identifier(model))
+    return imported_module.get_model_ui_conf()
diff --git a/core/site_scons/tools.py b/core/site_scons/tools.py
index 85ac138eb..2f91feb4c 100644
--- a/core/site_scons/tools.py
+++ b/core/site_scons/tools.py
@@ -10,20 +10,6 @@ HERE = Path(__file__).parent.resolve()
 PROJECT_ROOT = HERE.parent.resolve()
 
 
-def add_font(
-    font_name: str, font: str | None, defines: list[str], sources: list[str]
-) -> None:
-    if font is not None:
-        font_filename = font.replace("_upper", "").lower()
-        defines += [
-            "TREZOR_FONT_" + font_name + "_ENABLE=" + font,
-            "TREZOR_FONT_" + font_name + '_INCLUDE=\\"' + font_filename + '.h\\"',
-        ]
-        sourcefile = "embed/lib/fonts/" + font_filename + ".c"
-        if sourcefile not in sources:
-            sources.append(sourcefile)
-
-
 def get_version(file: str) -> str:
     major = 0
     minor = 0
diff --git a/core/site_scons/ui/__init__.py b/core/site_scons/ui/__init__.py
new file mode 100644
index 000000000..4759d6952
--- /dev/null
+++ b/core/site_scons/ui/__init__.py
@@ -0,0 +1,34 @@
+from __future__ import annotations
+
+from site_scons import models
+
+from . import mercury, tr, tt
+
+
+def get_ui_module(model: str):
+    ui_modules = {
+        "mercury": mercury,
+        "tr": tr,
+        "tt": tt,
+    }
+
+    return ui_modules[models.get_model_ui(model)]
+
+
+def init_ui(
+    model: str,
+    stage: int,
+    defines: list[str | tuple[str, str]],
+    sources: list[str],
+    rust_features: list[str],
+):
+    conf = models.get_model_ui_conf(model)
+    get_ui_module(model).init_ui(stage, conf, defines, sources, rust_features)
+
+
+def get_ui_layout(model: str):
+    return get_ui_module(model).get_ui_layout()
+
+
+def get_ui_layout_path(model: str):
+    return get_ui_module(model).get_ui_layout_path()
diff --git a/core/site_scons/ui/common.py b/core/site_scons/ui/common.py
new file mode 100644
index 000000000..c13b67c1e
--- /dev/null
+++ b/core/site_scons/ui/common.py
@@ -0,0 +1,15 @@
+from __future__ import annotations
+
+
+def add_font(
+    font_name: str, font: str | None, defines: list[str], sources: list[str]
+) -> None:
+    if font is not None:
+        font_filename = font.replace("_upper", "").lower()
+        defines += [
+            "TREZOR_FONT_" + font_name + "_ENABLE=" + font,
+            "TREZOR_FONT_" + font_name + '_INCLUDE=\\"' + font_filename + '.h\\"',
+        ]
+        sourcefile = "embed/lib/fonts/" + font_filename + ".c"
+        if sourcefile not in sources:
+            sources.append(sourcefile)
diff --git a/core/site_scons/ui/mercury.py b/core/site_scons/ui/mercury.py
new file mode 100644
index 000000000..ee1f1a767
--- /dev/null
+++ b/core/site_scons/ui/mercury.py
@@ -0,0 +1,63 @@
+from __future__ import annotations
+
+from .common import add_font
+
+
+def init_ui(
+    stage: str,
+    config: list[str],
+    defines: list[str | tuple[str, str]],
+    sources: list[str],
+    rust_features: list[str],
+):
+
+    rust_features.append("model_mercury")
+
+    font_normal = None
+    font_demibold = None
+    font_bold = None
+    font_mono = None
+    font_big = None
+    font_normal_upper = None
+    font_bold_upper = None
+    font_sub = None
+
+    if stage == "bootloader":
+        font_normal = "Font_TTSatoshi_DemiBold_21"
+        font_demibold = "Font_TTSatoshi_DemiBold_21"
+        font_bold = "Font_TTHoves_Bold_17_upper"
+        font_mono = "Font_TTSatoshi_DemiBold_21"
+        font_bold_upper = "Font_TTHoves_Bold_17_upper"
+    if stage == "prodtest":
+        font_normal = "Font_TTSatoshi_DemiBold_21"
+        font_bold = "Font_TTSatoshi_DemiBold_21"
+        font_mono = "Font_RobotoMono_Medium_21"
+    if stage == "firmware":
+        font_normal = "Font_TTSatoshi_DemiBold_21"
+        font_demibold = "Font_TTSatoshi_DemiBold_21"
+        font_bold = "Font_TTSatoshi_DemiBold_21"
+        font_mono = "Font_RobotoMono_Medium_21"
+        font_big = "Font_TTSatoshi_DemiBold_42"
+        font_sub = "Font_TTSatoshi_DemiBold_18"
+        rust_features.append("ui_blurring")
+        rust_features.append("ui_jpeg_decoder")
+        rust_features.append("ui_image_buffer")
+        rust_features.append("ui_overlay")
+
+    # fonts
+    add_font("NORMAL", font_normal, defines, sources)
+    add_font("BOLD", font_bold, defines, sources)
+    add_font("DEMIBOLD", font_demibold, defines, sources)
+    add_font("MONO", font_mono, defines, sources)
+    add_font("BIG", font_big, defines, sources)
+    add_font("NORMAL_UPPER", font_normal_upper, defines, sources)
+    add_font("BOLD_UPPER", font_bold_upper, defines, sources)
+    add_font("SUB", font_sub, defines, sources)
+
+
+def get_ui_layout() -> str:
+    return "UI_LAYOUT_MERCURY"
+
+
+def get_ui_layout_path() -> str:
+    return "trezor/ui/layouts/mercury/"
diff --git a/core/site_scons/ui/tr.py b/core/site_scons/ui/tr.py
new file mode 100644
index 000000000..a048fdd90
--- /dev/null
+++ b/core/site_scons/ui/tr.py
@@ -0,0 +1,61 @@
+from __future__ import annotations
+
+from .common import add_font
+
+
+def init_ui(
+    stage: str,
+    config: list[str],
+    defines: list[str | tuple[str, str]],
+    sources: list[str],
+    rust_features: list[str],
+):
+
+    rust_features.append("model_tr")
+
+    font_normal = None
+    font_demibold = None
+    font_bold = None
+    font_mono = None
+    font_big = None
+    font_normal_upper = None
+    font_bold_upper = None
+    font_sub = None
+
+    if stage == "bootloader":
+        font_normal = "Font_PixelOperator_Regular_8"
+        font_demibold = "Font_PixelOperator_Regular_8"
+        font_bold = "Font_PixelOperator_Bold_8"
+        font_mono = "Font_PixelOperator_Regular_8"
+        font_big = "Font_PixelOperator_Regular_8"
+        font_normal_upper = "Font_PixelOperator_Regular_8_upper"
+        if "bootloader_empty_lock" in config:
+            rust_features.append("ui_empty_lock")
+    if stage == "prodtest":
+        font_bold = "Font_PixelOperator_Bold_8"
+    if stage == "firmware":
+        font_normal = "Font_PixelOperator_Regular_8"
+        font_demibold = "Font_Unifont_Bold_16"
+        font_bold = "Font_PixelOperator_Bold_8"
+        font_mono = "Font_PixelOperatorMono_Regular_8"
+        font_big = "Font_Unifont_Regular_16"
+        font_normal_upper = "Font_PixelOperator_Regular_8_upper"
+        font_bold_upper = "Font_PixelOperator_Bold_8_upper"
+
+    # fonts
+    add_font("NORMAL", font_normal, defines, sources)
+    add_font("BOLD", font_bold, defines, sources)
+    add_font("DEMIBOLD", font_demibold, defines, sources)
+    add_font("MONO", font_mono, defines, sources)
+    add_font("BIG", font_big, defines, sources)
+    add_font("NORMAL_UPPER", font_normal_upper, defines, sources)
+    add_font("BOLD_UPPER", font_bold_upper, defines, sources)
+    add_font("SUB", font_sub, defines, sources)
+
+
+def get_ui_layout() -> str:
+    return "UI_LAYOUT_TR"
+
+
+def get_ui_layout_path() -> str:
+    return "trezor/ui/layouts/tr/"
diff --git a/core/site_scons/ui/tt.py b/core/site_scons/ui/tt.py
new file mode 100644
index 000000000..cc60e6523
--- /dev/null
+++ b/core/site_scons/ui/tt.py
@@ -0,0 +1,57 @@
+from __future__ import annotations
+
+from .common import add_font
+
+
+def init_ui(
+    stage: str,
+    config: list[str],
+    defines: list[str | tuple[str, str]],
+    sources: list[str],
+    rust_features: list[str],
+):
+
+    rust_features.append("model_tt")
+
+    font_normal = None
+    font_demibold = None
+    font_bold = None
+    font_mono = None
+    font_big = None
+    font_normal_upper = None
+    font_bold_upper = None
+    font_sub = None
+
+    if stage == "bootloader":
+        font_normal = "Font_TTHoves_Regular_21"
+        font_demibold = "Font_TTHoves_Regular_21"
+        font_bold = "Font_TTHoves_Bold_17_upper"
+        font_mono = "Font_TTHoves_Regular_21"
+        font_bold_upper = "Font_TTHoves_Bold_17_upper"
+    if stage == "prodtest":
+        font_bold = "Font_Roboto_Bold_20"
+    if stage == "firmware":
+        font_normal = "Font_TTHoves_Regular_21"
+        font_demibold = "Font_TTHoves_DemiBold_21"
+        font_mono = "Font_RobotoMono_Medium_20"
+        font_bold_upper = "Font_TTHoves_Bold_17_upper"
+        rust_features.append("ui_blurring")
+        rust_features.append("ui_jpeg_decoder")
+
+    # fonts
+    add_font("NORMAL", font_normal, defines, sources)
+    add_font("BOLD", font_bold, defines, sources)
+    add_font("DEMIBOLD", font_demibold, defines, sources)
+    add_font("MONO", font_mono, defines, sources)
+    add_font("BIG", font_big, defines, sources)
+    add_font("NORMAL_UPPER", font_normal_upper, defines, sources)
+    add_font("BOLD_UPPER", font_bold_upper, defines, sources)
+    add_font("SUB", font_sub, defines, sources)
+
+
+def get_ui_layout() -> str:
+    return "UI_LAYOUT_TT"
+
+
+def get_ui_layout_path() -> str:
+    return "trezor/ui/layouts/tt/"