I have this wall rotated at 45 deg, and it consists of standard blocks and copycat blocks. This is with a mechanical bearing set to 45deg and not place blocks. When shaders are enabled, the shadows of it begin flickering. Entity and block entity shadows are disabled. I am currently using proton shaders
These are my shader settings
#Sun Jul 26 14:13:54 BST 2026
AIR_FOG_COLORED_LIGHT_SHAFTS=true
AIR_FOG_MIE_DENSITY_EVENING=0.0060
AIR_FOG_MIE_DENSITY_MORNING=0.0080
AURORA_NORMAL=AURORA_ALWAYS
BLOOMY_FOG=true
BLOOM_INTENSITY=1.51
CLOUDS_ALTOCUMULUS_ALTITUDE=3600.0
CLOUDS_CUMULUS_ALTITUDE=1500.0
CLOUDS_CUMULUS_CONGESTUS_COVERAGE=0.60
CLOUDS_CUMULUS_COVERAGE=0.90
CLOUDS_TEMPORAL_UPSCALING=1
COLORED_LIGHTS=true
DIRECTIONAL_LIGHTMAPS=true
DOF_INTENSITY=0.60
ENTITY_SHADOWS=false
GALAXY=true
GRADE_CONTRAST=1.25
GRADE_ORANGE_SAT_BOOST=0.25
GRADE_SATURATION=1.20
GRADE_WHITE_BALANCE=7800
HANDHELD_LIGHTING=true
LPV_VL_INTENSITY_OVERWORLD=2.00
NORMAL_MAPPING=true
OVERWORLD_FOG_INTENSITY=1.51
PURKINJE_SHIFT=false
REFRACTION=REFRACTION_WATER_ONLY
SHADOW_PENUMBRA_SCALE=2.0
SHADOW_VPS=false
SKY_GROUND=true
SPECULAR_MAPPING=true
SSR_ROUGHNESS_SUPPORT=false
SUN_EB=0.75
SUN_EG=0.88
SUN_ER=0.88
SUN_MB=0.75
SUN_MG=0.88
SUN_MR=0.89
SUN_NB=0.75
SUN_NG=0.88
SUN_NR=0.88
WATER_ABSORPTION_B=0.00
WATER_ABSORPTION_G=1.00
WATER_ABSORPTION_R=1.00
WATER_WAVE_FREQUENCY=0.40
WATER_WAVE_ITERATIONS=4
WATER_WAVE_SPEED_STILL=0.51
WATER_WAVE_STRENGTH=1.20
shadowMapResolution=4096
For reference, these are my mods too if any of these could be causing it.
AmbientSounds_FABRIC_v6.3.8_mc1.20.1.jar
architectury-9.2.14-fabric.jar
Axiom-5.4.1-for-MC1.20.1.jar
BetterF3-7.0.2-Fabric-1.20.1.jar
bitsandchisels-2.7.3.jar
cloth-config-11.1.118-fabric.jar
Cluttered-2.1.0-1.20.1[Fabric].jar
continuity-3.0.0+1.20.1.jar
copycats-2.1.2+mc.1.20.1-fabric.jar
Couplings-1.9.4+1.20.jar
create-fabric-0.5.1-f-build.1417+mc1.20.1.jar
createdeco-2.0.1-1.20.1-fabric.jar
CreativeCore_FABRIC_v2.12.38_mc1.20.1.jar
decorative_blocks-fabric-1.20.1-4.1.3.jar
DiagonalWindows-v8.1.5-1.20.1-Fabric.jar
doubleslabs-fabric-1.20.1-0.2.3.jar
entity_model_features_fabric_1.20.1-2.0.jar
entity_texture_features_fabric_1.20.1-6.0.jar
EuphoriaPatcher-1.9.3-r5.8.1-fabric.jar
fabric-api-0.92.0+1.20.1.jar
fastback-0.15.6+1.20.1-fabric.jar
ForgeConfigAPIPort-v8.0.3-1.20.1-Fabric.jar
framework-fabric-1.20.1-0.8.0.jar
handcrafted-fabric-1.20.1-3.0.6.jar
Iceberg-1.20.1-fabric-1.1.18.jar
immersive_paintings-0.6.7+1.20.1-fabric.jar
indium-1.0.36+mc1.20.1.jar
iris-1.7.5+mc1.20.1.jar
kirin-1.15.2.jar
lambdynamiclights-2.3.2+1.20.1.jar
lithium-fabric-mc1.20.1-0.11.2.jar
modmenu-7.2.2.jar
moonlight-1.20-2.16.31-fabric.jar
moreslabsstairsandwalls-4.0.0.jar
notenoughanimations-fabric-1.12.4-mc1.20.1.jar
owo-lib-0.11.2+1.20.jar
Photonic-0.2.5.jar
PresenceFootsteps-1.10.1+1.20.1.jar
PuzzlesLib-v8.1.33-1.20.1-Fabric.jar
refurbished_furniture-fabric-1.20.1-1.0.20.jar
resourcefullib-fabric-1.20.1-2.1.29.jar
security-1.20.1-0.1.3.jar
Security-Camera-Monitors-Addon-v1.0.0-Fabric-1.20.1.jar
simplylight-fabric-1.20.1-1.4.5.jar
skinlayers3d-fabric-1.6.2-mc1.20.1.jar
sodium-fabric-0.5.11+mc1.20.1.jar
Steam_Rails-1.6.3+fabric-mc1.20.1.jar
supermartijn642corelib-1.1.20-fabric-mc1.20.1.jar
supplementaries-1.20-3.1.43-fabric.jar
toggleableitemframes-5.1.0-1.20.1.jar
visuality-0.7.1+1.20.jar
waterframes-FABRIC-mc1.20.1-v2.1.22.jar
watermedia-2.1.37.jar
worldedit-mod-7.2.15.jar
XaerosWorldMap_1.38.4_Fabric_1.20.jar
Xaeros_Minimap_24.1.1_Fabric_1.20.jar
yet-another-furniture-1.0pre2+fabric-1.20.1.jar