diff --git a/src/main/java/com/extendedae_plus/content/matrix/PatternCorePlusBlock.java b/src/main/java/com/extendedae_plus/content/matrix/PatternCorePlusBlock.java
index 12465d5..1fc2636 100644
--- a/src/main/java/com/extendedae_plus/content/matrix/PatternCorePlusBlock.java
+++ b/src/main/java/com/extendedae_plus/content/matrix/PatternCorePlusBlock.java
@@ -6,6 +6,10 @@ import net.minecraft.world.item.Item;
 
 public class PatternCorePlusBlock extends BlockAssemblerMatrixBase<PatternCorePlusBlockEntity> {
 
+    public PatternCorePlusBlock() {
+        super();
+    }
+
     public PatternCorePlusBlock(Properties props) {
         super(props);
     }
diff --git a/src/main/java/com/extendedae_plus/content/matrix/PatternCorePlusBlockEntity.java b/src/main/java/com/extendedae_plus/content/matrix/PatternCorePlusBlockEntity.java
index 71e4499..b319c6d 100644
--- a/src/main/java/com/extendedae_plus/content/matrix/PatternCorePlusBlockEntity.java
+++ b/src/main/java/com/extendedae_plus/content/matrix/PatternCorePlusBlockEntity.java
@@ -15,7 +15,6 @@ import appeng.crafting.pattern.EncodedPatternItem;
 import appeng.helpers.patternprovider.PatternContainer;
 import appeng.util.inv.AppEngInternalInventory;
 import appeng.util.inv.FilteredInternalInventory;
-import appeng.util.inv.InternalInventoryHost;
 import appeng.util.inv.filter.AEItemFilters;
 import appeng.util.inv.filter.IAEItemFilter;
 import com.extendedae_plus.init.ModBlockEntities;
@@ -42,12 +41,14 @@ public class PatternCorePlusBlockEntity extends TileAssemblerMatrixPattern {
     public static final int INV_SIZE = 72;
 
     private final AppEngInternalInventory patternInventory;
+    private final FilteredInternalInventory insertOnlyInventory;
     private final List<IPatternDetails> patterns = new ArrayList<>();
 
     public PatternCorePlusBlockEntity(BlockPos pos, BlockState blockState) {
         super(pos, blockState);
         this.patternInventory = new AppEngInternalInventory(this, INV_SIZE, 1);
         this.patternInventory.setFilter(new Filter(this::getLevel));
+        this.insertOnlyInventory = new FilteredInternalInventory(this.patternInventory, AEItemFilters.INSERT_ONLY);
         this.getMainNode().addService(ICraftingProvider.class, this);
     }
 
@@ -72,6 +73,11 @@ public class PatternCorePlusBlockEntity extends TileAssemblerMatrixPattern {
         return this.patternInventory;
     }
 
+
+    public InternalInventory getInsertOnlyInventory() {
+        return this.insertOnlyInventory;
+    }
+
     public long getLocateID() {
         return this.worldPosition.asLong();
     }
@@ -106,6 +112,11 @@ public class PatternCorePlusBlockEntity extends TileAssemblerMatrixPattern {
         cluster.addPattern(this);
     }
 
+    public void onChangeInventory(InternalInventory inv, int slot) {
+        this.saveChanges();
+        this.updatePatterns();
+    }
+
     @Override
     public void saveChangedInventory(AppEngInternalInventory inv) {
         this.saveChanges();
@@ -118,12 +129,6 @@ public class PatternCorePlusBlockEntity extends TileAssemblerMatrixPattern {
         this.updatePatterns();
     }
 
-    @Override
-    public void onChangeInventory(AppEngInternalInventory inv, int slot) {
-        this.saveChanges();
-        this.updatePatterns();
-    }
-
     @Override
     public List<IPatternDetails> getAvailablePatterns() {
         return this.patterns;