diff --git a/src/main/java/com/jozufozu/flywheel/api/Material.java b/src/main/java/com/jozufozu/flywheel/api/Material.java
index 252c9fb33..f6a963cf7 100644
--- a/src/main/java/com/jozufozu/flywheel/api/Material.java
+++ b/src/main/java/com/jozufozu/flywheel/api/Material.java
@@ -10,6 +10,7 @@ import com.jozufozu.flywheel.util.Pair;
 import com.mojang.blaze3d.vertex.PoseStack;
 
 import net.minecraft.core.Direction;
+import net.minecraft.world.level.block.Blocks;
 import net.minecraft.world.level.block.state.BlockState;
 
 public interface Material<D extends InstanceData> {
@@ -26,6 +27,10 @@ public interface Material<D extends InstanceData> {
 		return model(partial, () -> new BlockModel(partial.get(), referenceState));
 	}
 
+	default Instancer<D> getModel(PartialModel partial) {
+		return model(partial, () -> new BlockModel(partial.get(), Blocks.AIR.defaultBlockState()));
+	}
+
 	default Instancer<D> getModel(PartialModel partial, BlockState referenceState, Direction dir) {
 		return getModel(partial, referenceState, dir, ModelUtil.rotateToFace(dir));
 	}
diff --git a/src/main/java/com/jozufozu/flywheel/core/materials/FlatLit.java b/src/main/java/com/jozufozu/flywheel/core/materials/FlatLit.java
index 3829a1a84..03fc53174 100644
--- a/src/main/java/com/jozufozu/flywheel/core/materials/FlatLit.java
+++ b/src/main/java/com/jozufozu/flywheel/core/materials/FlatLit.java
@@ -2,6 +2,10 @@ package com.jozufozu.flywheel.core.materials;
 
 import com.jozufozu.flywheel.api.InstanceData;
 
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.BlockAndTintGetter;
+import net.minecraft.world.level.LightLayer;
+
 /**
  * An interface that implementors of {@link InstanceData} should also implement
  * if they wish to make use of Flywheel's provided light update methods.
@@ -25,5 +29,10 @@ public interface FlatLit<D extends InstanceData & FlatLit<D>> {
 	 */
 	D setSkyLight(int skyLight);
 
+	default D updateLight(BlockAndTintGetter level, BlockPos pos) {
+		return setBlockLight(level.getBrightness(LightLayer.BLOCK, pos))
+				.setSkyLight(level.getBrightness(LightLayer.SKY, pos));
+	}
+
 	int getPackedLight();
 }
diff --git a/src/main/java/com/jozufozu/flywheel/util/box/GridAlignedBB.java b/src/main/java/com/jozufozu/flywheel/util/box/GridAlignedBB.java
index fa6925a36..279669f11 100644
--- a/src/main/java/com/jozufozu/flywheel/util/box/GridAlignedBB.java
+++ b/src/main/java/com/jozufozu/flywheel/util/box/GridAlignedBB.java
@@ -1,5 +1,7 @@
 package com.jozufozu.flywheel.util.box;
 
+import java.util.Collection;
+
 import com.jozufozu.flywheel.util.RenderMath;
 
 import net.minecraft.core.BlockPos;
@@ -61,7 +63,28 @@ public class GridAlignedBB implements ImmutableBox {
 		return new GridAlignedBB(startX, 0, startZ, startX + 16, 256, startZ + 16);
 	}
 
-	public void fixMinMax() {
+	public static ImmutableBox containingAll(Collection<BlockPos> positions) {
+		if (positions.isEmpty()) {
+			return new GridAlignedBB();
+		}
+		int minX = Integer.MAX_VALUE;
+		int minY = Integer.MAX_VALUE;
+		int minZ = Integer.MAX_VALUE;
+		int maxX = Integer.MIN_VALUE;
+		int maxY = Integer.MIN_VALUE;
+		int maxZ = Integer.MIN_VALUE;
+		for (BlockPos pos : positions) {
+			minX = Math.min(minX, pos.getX());
+			minY = Math.min(minY, pos.getY());
+			minZ = Math.min(minZ, pos.getZ());
+			maxX = Math.max(maxX, pos.getX());
+			maxY = Math.max(maxY, pos.getY());
+			maxZ = Math.max(maxZ, pos.getZ());
+		}
+		return new GridAlignedBB(minX, minY, minZ, maxX, maxY, maxZ);
+	}
+
+    public void fixMinMax() {
 		int minX = Math.min(this.minX, this.maxX);
 		int minY = Math.min(this.minY, this.maxY);
 		int minZ = Math.min(this.minZ, this.maxZ);