diff --git a/components/model/diagram.vue b/components/model/diagram.vue
index 3844897..96b59c0 100644
--- a/components/model/diagram.vue
+++ b/components/model/diagram.vue
@@ -25,8 +25,8 @@ const { scene: verh } = await useGLTF('/models_exp/verh.glb')
 const lamelle_color = use_lamelle_color()
 const pillar_color = use_pillar_color()
 
-set_material(planki, getColorHexFromRal(lamelle_color.value));
-[stolb, verh, krepleniye_planok].map(el => set_material(el, getColorHexFromRal(pillar_color.value)))
+set_material(planki, getColorHexFromRal(lamelle_color.value), undefined, false);
+[stolb, verh, krepleniye_planok].map(el => set_material(el, getColorHexFromRal(pillar_color.value), undefined, false))
 
 </script>
 <template>
diff --git a/utils/material.ts b/utils/material.ts
index b879ef1..38c0887 100644
--- a/utils/material.ts
+++ b/utils/material.ts
@@ -76,13 +76,17 @@ const m_onBeforeCompile = (shader: WebGLProgramParameters) => {
         );
 };
 export const set_material = (
-    scene: any, 
-    color: any, 
-    pattern: { pattern: patternIds, count: number } | undefined = undefined) => {
+    scene: any,
+    color: any,
+    pattern: { pattern: patternIds, count: number } | undefined = undefined,
+    noise_material: boolean = true,
+) => {
     let c = color
     const material = noiseMaterial.clone()
     material.color = new Color(c || '#9c9c00')
-    material.onBeforeCompile = m_onBeforeCompile
+    if (noise_material) {
+        material.onBeforeCompile = m_onBeforeCompile
+    }
 
     const promises = []
     if (pattern && pattern.pattern !== undefined) {