diff --git a/core/src/main/java/com/volmit/iris/engine/mantle/components/MantleJigsawComponent.java b/core/src/main/java/com/volmit/iris/engine/mantle/components/MantleJigsawComponent.java
index b7d8223b7..4f48245bf 100644
--- a/core/src/main/java/com/volmit/iris/engine/mantle/components/MantleJigsawComponent.java
+++ b/core/src/main/java/com/volmit/iris/engine/mantle/components/MantleJigsawComponent.java
@@ -156,7 +156,7 @@ public class MantleJigsawComponent extends IrisMantleComponent {
     @ChunkCoordinates
     private IrisJigsawStructurePlacement pick(List<IrisJigsawStructurePlacement> structures, long seed, int x, int z) {
         return IRare.pick(structures.stream()
-                .filter(p -> p.shouldPlace(jigsaw(), x, z))
+                .filter(p -> p.shouldPlace(getDimension().getJigsawStructureDivisor(), jigsaw(), x, z))
                 .toList(), new RNG(seed).nextDouble());
     }
 
diff --git a/core/src/main/java/com/volmit/iris/engine/object/IrisDimension.java b/core/src/main/java/com/volmit/iris/engine/object/IrisDimension.java
index d2aa52db2..fafeb768d 100644
--- a/core/src/main/java/com/volmit/iris/engine/object/IrisDimension.java
+++ b/core/src/main/java/com/volmit/iris/engine/object/IrisDimension.java
@@ -220,6 +220,8 @@ public class IrisDimension extends IrisRegistrant {
     @ArrayType(min = 1, type = IrisJigsawStructurePlacement.class)
     @Desc("Jigsaw structures")
     private KList<IrisJigsawStructurePlacement> jigsawStructures = new KList<>();
+    @Desc("The jigsaw structure divisor to use when generating missing jigsaw placement values")
+    private double jigsawStructureDivisor = 18;
     @Required
     @MinNumber(0)
     @MaxNumber(1024)
diff --git a/core/src/main/java/com/volmit/iris/engine/object/IrisJigsawStructurePlacement.java b/core/src/main/java/com/volmit/iris/engine/object/IrisJigsawStructurePlacement.java
index b65a7d2c5..40603ce85 100644
--- a/core/src/main/java/com/volmit/iris/engine/object/IrisJigsawStructurePlacement.java
+++ b/core/src/main/java/com/volmit/iris/engine/object/IrisJigsawStructurePlacement.java
@@ -88,21 +88,21 @@ public class IrisJigsawStructurePlacement implements IRare {
         return (int) Math.ceil(blocks / 16d);
     }
 
-    private void calculateMissing(long seed) {
+    private void calculateMissing(double divisor, long seed) {
         seed = seed + hashCode();
         if (salt == 0) {
             salt = new RNG(seed).nextLong(Integer.MIN_VALUE, Integer.MAX_VALUE);
         }
 
         if (separation == -1 || spacing == -1) {
-            separation = (int) Math.round(rarity / 15d);
+            separation = (int) Math.round(rarity / divisor);
             spacing = new RNG(seed).nextInt(separation, separation * 2);
         }
     }
 
     @ChunkCoordinates
-    public boolean shouldPlace(long seed, int x, int z) {
-        calculateMissing(seed);
+    public boolean shouldPlace(double divisor, long seed, int x, int z) {
+        calculateMissing(divisor, seed);
         if (separation > spacing) {
             separation = spacing;
             Iris.warn("JigsawStructurePlacement: separation must be less than or equal to spacing");