diff --git a/src/main/java/com/simibubi/create/content/decoration/copycat/CopycatPanelBlock.java b/src/main/java/com/simibubi/create/content/decoration/copycat/CopycatPanelBlock.java
index 01e875617..d7adde68e 100644
--- a/src/main/java/com/simibubi/create/content/decoration/copycat/CopycatPanelBlock.java
+++ b/src/main/java/com/simibubi/create/content/decoration/copycat/CopycatPanelBlock.java
@@ -9,6 +9,8 @@ import com.simibubi.create.foundation.placement.IPlacementHelper;
 import com.simibubi.create.foundation.placement.PlacementHelpers;
 import com.simibubi.create.foundation.placement.PlacementOffset;
 
+import com.simibubi.create.foundation.utility.worldWrappers.OcclusionTestWorld;
+
 import net.minecraft.MethodsReturnNonnullByDefault;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
@@ -175,12 +177,23 @@ public class CopycatPanelBlock extends WaterloggedCopycatBlock {
 	@Override
 	public boolean hidesNeighborFace(BlockGetter level, BlockPos pos, BlockState state, BlockState neighborState,
 		Direction dir) {
+		BlockPos otherPos = pos.relative(dir);
+		BlockState material = getMaterial(level, pos);
+		BlockState otherMaterial = getMaterial(level, otherPos);
+
 		if (state.is(this) == neighborState.is(this)) {
-			if (CopycatSpecialCases.isBarsMaterial(getMaterial(level, pos))
-				&& CopycatSpecialCases.isBarsMaterial(getMaterial(level, pos.relative(dir))))
+			if (CopycatSpecialCases.isBarsMaterial(material)
+				&& CopycatSpecialCases.isBarsMaterial(otherMaterial))
 				return state.getValue(FACING) == neighborState.getValue(FACING);
-			if (getMaterial(level, pos).skipRendering(getMaterial(level, pos.relative(dir)), dir.getOpposite()))
+			if (material.skipRendering(otherMaterial, dir.getOpposite()))
 				return isOccluded(state, neighborState, dir.getOpposite());
+
+			OcclusionTestWorld occlusionTestWorld = new OcclusionTestWorld();
+			occlusionTestWorld.setBlock(pos, material);
+			occlusionTestWorld.setBlock(otherPos, otherMaterial);
+			if (material.isSolidRender(occlusionTestWorld, pos) && otherMaterial.isSolidRender(occlusionTestWorld, otherPos))
+				if(!Block.shouldRenderFace(otherMaterial, occlusionTestWorld, pos, dir.getOpposite(), otherPos))
+					return isOccluded(state, neighborState, dir.getOpposite());
 		}
 
 		return state.getValue(FACING) == dir.getOpposite()
diff --git a/src/main/java/com/simibubi/create/foundation/utility/worldWrappers/OcclusionTestWorld.java b/src/main/java/com/simibubi/create/foundation/utility/worldWrappers/OcclusionTestWorld.java
new file mode 100644
index 000000000..23f1ab38d
--- /dev/null
+++ b/src/main/java/com/simibubi/create/foundation/utility/worldWrappers/OcclusionTestWorld.java
@@ -0,0 +1,59 @@
+package com.simibubi.create.foundation.utility.worldWrappers;
+
+import net.minecraft.MethodsReturnNonnullByDefault;
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.BlockGetter;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.material.FluidState;
+import net.minecraft.world.level.material.Fluids;
+
+import org.jetbrains.annotations.Nullable;
+
+import javax.annotation.ParametersAreNonnullByDefault;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * A simple implementation of BlockGetter for testing occlusion culling. (For example, to test copycats)
+ */
+@ParametersAreNonnullByDefault
+@MethodsReturnNonnullByDefault
+public class OcclusionTestWorld implements BlockGetter {
+	private final Map<BlockPos, BlockState> blocks = new HashMap<>();
+
+	public void setBlock(BlockPos pos, BlockState state) {
+		blocks.put(pos.immutable(), state);
+	}
+
+	public void clear() {
+		blocks.clear();
+	}
+
+	@Nullable
+	@Override
+	public BlockEntity getBlockEntity(BlockPos pos) {
+		return null;
+	}
+
+	@Override
+	public BlockState getBlockState(BlockPos pos) {
+		return blocks.get(pos);
+	}
+
+	@Override
+	public FluidState getFluidState(BlockPos pos) {
+		return Fluids.EMPTY.defaultFluidState();
+	}
+
+	@Override
+	public int getHeight() {
+		return 256;
+	}
+
+	@Override
+	public int getMinBuildHeight() {
+		return 0;
+	}
+}