diff --git a/Chroma/EnvironmentEnhancement/GeometryFactory.cs b/Chroma/EnvironmentEnhancement/GeometryFactory.cs
index c39891c7..04fec1bb 100644
--- a/Chroma/EnvironmentEnhancement/GeometryFactory.cs
+++ b/Chroma/EnvironmentEnhancement/GeometryFactory.cs
@@ -77,12 +77,7 @@ internal GameObject Create(CustomData customData)
             bool collision = customData.Get<bool?>(_v2 ? V2_COLLISION : COLLISION) ?? false;
 
             object materialData = customData.GetRequired<object>(_v2 ? V2_MATERIAL : MATERIAL);
-            MaterialsManager.MaterialInfo materialInfo = materialData switch
-            {
-                string name => _materialsManager.MaterialInfos[name],
-                CustomData data => _materialsManager.CreateMaterialInfo(data),
-                _ => throw new InvalidOperationException($"Could not read [{MATERIAL}].")
-            };
+            MaterialsManager.MaterialInfo materialInfo = _materialsManager.GetMaterial(materialData);
             ShaderType shaderType = materialInfo.ShaderType;
 
             PrimitiveType primitiveType = geometryType switch
diff --git a/Chroma/EnvironmentEnhancement/MaterialsManager.cs b/Chroma/EnvironmentEnhancement/MaterialsManager.cs
index 232ce967..51bdd8fb 100644
--- a/Chroma/EnvironmentEnhancement/MaterialsManager.cs
+++ b/Chroma/EnvironmentEnhancement/MaterialsManager.cs
@@ -5,6 +5,7 @@
 using Heck.Animation;
 using IPA.Utilities;
 using JetBrains.Annotations;
+using Newtonsoft.Json;
 using UnityEngine;
 using Zenject;
 using static Chroma.ChromaController;
@@ -54,6 +55,8 @@ private MaterialsManager(
 
         internal Dictionary<string, MaterialInfo> MaterialInfos { get; } = new();
 
+        internal Dictionary<string, MaterialInfo> ReuseMaterials { get; } = new(); // grrr mappers
+
         public void Dispose()
         {
             foreach (Material createdMaterial in _createdMaterials)
@@ -92,6 +95,30 @@ internal MaterialInfo CreateMaterialInfo(CustomData customData)
             return materialInfo;
         }
 
+
+        internal MaterialInfo GetMaterial(object materialData)
+        {
+            if (materialData is string name)
+            {
+                return MaterialInfos[name];
+            }
+
+            if (materialData is not CustomData data)
+            {
+                throw new InvalidOperationException($"Could not read [{MATERIAL}].");
+            }
+
+            string json = JsonConvert.SerializeObject(data);
+            if (ReuseMaterials.TryGetValue(json, out MaterialInfo m))
+            {
+                return m;
+            }
+
+            MaterialInfo materialInfo = CreateMaterialInfo(data);
+            ReuseMaterials[json] = materialInfo;
+            return materialInfo;
+        }
+
         private static Material InstantiateSharedMaterial(ShaderType shaderType)
         {
             return new Material(Shader.Find(shaderType switch