Fixes #2398 by switching to use of the auto rotation

src/main/java/appeng/block/crafting/BlockCraftingMonitor.java

@@ -45,8 +45,6 @@ public class BlockCraftingMonitor extends BlockCraftingUnit
 
 	public static final UnlistedProperty<AEColor> COLOR = new UnlistedProperty<>( "color", AEColor.class );
 
-	public static final UnlistedProperty<EnumFacing> FORWARD = new UnlistedProperty<>( "forward", EnumFacing.class );
-
 	public BlockCraftingMonitor()
 	{
 		super( CraftingUnitType.MONITOR );
@@ -59,7 +57,8 @@ public class BlockCraftingMonitor extends BlockCraftingUnit
 		return new ExtendedBlockState( this, getAEStates(), new IUnlistedProperty[] {
 				STATE,
 				COLOR,
-				FORWARD
+				FORWARD,
+				UP
 		} );
 	}
 
@@ -68,15 +67,20 @@ public class BlockCraftingMonitor extends BlockCraftingUnit
 	{
 		AEColor color = AEColor.TRANSPARENT;
 		EnumFacing forward = EnumFacing.NORTH;
+		EnumFacing up = EnumFacing.UP;
 
 		TileCraftingMonitorTile te = getTileEntity( world, pos );
 		if( te != null )
 		{
 			color = te.getColor();
 			forward = te.getForward();
+			up = te.getUp();
 		}
 
-		return super.getExtendedState( state, world, pos ).withProperty( COLOR, color ).withProperty( FORWARD, forward );
+		return super.getExtendedState( state, world, pos )
+				.withProperty( COLOR, color )
+				.withProperty( FORWARD, forward )
+				.withProperty( UP, up );
 	}
 
 	@Override

src/main/java/appeng/client/render/crafting/CraftingCubeRendering.java

@@ -59,7 +59,10 @@ public class CraftingCubeRendering extends BlockRenderingCustomizer
 		ResourceLocation baseName = new ResourceLocation( AppEng.MOD_ID, registryName );
 
 		// Disable auto-rotation
-		rendering.modelCustomizer( ( loc, model ) -> model );
+		if( type != BlockCraftingUnit.CraftingUnitType.MONITOR )
+		{
+			rendering.modelCustomizer( ( loc, model ) -> model );
+		}
 
 		// This is the standard blockstate model
 		ModelResourceLocation defaultModel = new ModelResourceLocation( baseName, "normal" );

src/main/java/appeng/client/render/crafting/MonitorBakedModel.java

@@ -63,10 +63,9 @@ class MonitorBakedModel extends CraftingCubeBakedModel
 	@Override
 	protected void addInnerCube( EnumFacing side, IBlockState state, CubeBuilder builder, float x1, float y1, float z1, float x2, float y2, float z2 )
 	{
-		EnumFacing forward = getForward( state );
-
 		// For sides other than the front, use the chassis texture
-		if( side != forward )
+		// The actual rotation of the cube is handled by the auto rotation as usual
+		if( side != EnumFacing.NORTH )
 		{
 			builder.setTexture( chassisTexture );
 			builder.addCube( x1, y1, z1, x2, y2, z2 );
@@ -111,18 +110,4 @@ class MonitorBakedModel extends CraftingCubeBakedModel
 		return AEColor.TRANSPARENT;
 	}
 
-	private static EnumFacing getForward( IBlockState state )
-	{
-		if( state instanceof IExtendedBlockState )
-		{
-			IExtendedBlockState extState = (IExtendedBlockState) state;
-			EnumFacing forward = extState.getValue( BlockCraftingMonitor.FORWARD );
-			if( forward != null )
-			{
-				return forward;
-			}
-		}
-
-		return EnumFacing.NORTH;
-	}
 }

src/main/resources/assets/appliedenergistics2/models/block/crafting/monitor.json

@@ -1,6 +1,7 @@
 {
   "parent": "block/cube",
   "textures": {
+    "particle": "appliedenergistics2:blocks/crafting/monitor",
     "north": "appliedenergistics2:blocks/crafting/monitor",
     "east": "appliedenergistics2:blocks/crafting/unit",
     "west": "appliedenergistics2:blocks/crafting/unit",