Fixed formation planes.

src/main/java/appeng/client/render/model/AEInternalModelData.java

@@ -0,0 +1,27 @@
+package appeng.client.render.model;
+
+import net.minecraftforge.client.model.data.IModelData;
+import net.minecraftforge.client.model.data.ModelProperty;
+
+import javax.annotation.Nullable;
+
+public abstract class AEInternalModelData implements IModelData {
+
+    @Override
+    public final boolean hasProperty(ModelProperty<?> prop) {
+        throw new IllegalStateException("This model data must be used by internal models only.");
+    }
+
+    @Nullable
+    @Override
+    public final <T> T getData(ModelProperty<T> prop) {
+        throw new IllegalStateException("This model data must be used by internal models only.");
+    }
+
+    @Nullable
+    @Override
+    public final <T> T setData(ModelProperty<T> prop, T data) {
+        throw new IllegalStateException("This model data must be used by internal models only.");
+    }
+
+}