diff --git a/app/web/src/components/Customizer/Customizer.tsx b/app/web/src/components/Customizer/Customizer.tsx
index 733a444..6273cf2 100644
--- a/app/web/src/components/Customizer/Customizer.tsx
+++ b/app/web/src/components/Customizer/Customizer.tsx
@@ -14,12 +14,20 @@ import {
 } from './customizerConverter'
 
 const Customizer = () => {
-  const [open, setOpen] = React.useState(false)
   const [shouldLiveUpdate, setShouldLiveUpdate] = React.useState(false)
   const { state, thunkDispatch } = useIdeContext()
+  const isOpen = state.isCustomizerOpen
   const customizerParams = state?.customizerParams
   const currentParameters = state?.currentParameters || {}
   const handleRender = useRender()
+  const toggleOpen = () => {
+    const newOpenState = !isOpen
+    thunkDispatch({type: 'setCustomizerOpenState', payload: newOpenState})
+    if(!newOpenState) {
+      // render on close
+      setTimeout(() => handleRender())
+    }
+  }
 
   const updateCustomizerParam = (paramName: string, paramValue: any) => {
     const payload = {
@@ -33,20 +41,20 @@ const Customizer = () => {
   return (
     <div
       className={`absolute inset-x-0 bottom-0 bg-ch-gray-600 bg-opacity-60 text-ch-gray-300 text-lg font-fira-sans ${
-        open ? 'h-full max-h-96' : ''
+        isOpen ? 'h-full max-h-96' : ''
       }`}
     >
       <div className="flex justify-between px-6 py-2 items-center">
         <div className="grid grid-flow-col-dense gap-6 items-center">
-          <button className="px-2" onClick={() => setOpen(!open)}>
+          <button className="px-2" onClick={toggleOpen}>
             <Svg
               name="chevron-down"
-              className={`h-8 w-8 ${!open && 'transform rotate-180'}`}
+              className={`h-8 w-8 ${!isOpen && 'transform rotate-180'}`}
             />
           </button>
           <div>Parameters</div>
         </div>
-        {open && (
+        {isOpen && (
           <>
             <div className="flex items-center">
               <div className="font-fira-sans text-sm mr-4">Auto Update</div>
@@ -79,7 +87,7 @@ const Customizer = () => {
           </>
         )}
       </div>
-      <div className={`${open ? 'h-full pb-32' : 'h-0'} overflow-y-auto px-12`}>
+      <div className={`${isOpen ? 'h-full pb-32' : 'h-0'} overflow-y-auto px-12`}>
         <div>
           {customizerParams.map((param, index) => {
             const otherProps = {
diff --git a/app/web/src/helpers/hooks/useIdeState.ts b/app/web/src/helpers/hooks/useIdeState.ts
index f378e49..ee6d337 100644
--- a/app/web/src/helpers/hooks/useIdeState.ts
+++ b/app/web/src/helpers/hooks/useIdeState.ts
@@ -45,6 +45,7 @@ export interface State {
   }
   customizerParams: CadhubParams[]
   currentParameters?: RawCustomizerParams
+  isCustomizerOpen: boolean
   layout: any
   camera: {
     dist?: number
@@ -83,6 +84,7 @@ export const initialState: State = {
     quality: 'low',
   },
   customizerParams: [],
+  isCustomizerOpen: false,
   layout: initialLayout,
   camera: {},
   viewerSize: { width: 0, height: 0 },
@@ -107,13 +109,15 @@ const reducer = (state: State, { type, payload }): State => {
     case 'updateCode':
       return { ...state, code: payload }
     case 'healthyRender':
-      const customizerParams: CadhubParams[] = payload.customizerParams || []
       const currentParameters = {}
+
+      const customizerParams: CadhubParams[] = payload.customizerParams || []
       customizerParams.forEach((param) => {
+
         currentParameters[param.name] =
-          typeof state?.currentParameters?.[param.name] !== 'undefined'
-            ? state?.currentParameters?.[param.name]
-            : param.initial
+          typeof state?.currentParameters?.[param.name] === 'undefined' || !state.isCustomizerOpen
+          ? param.initial
+          : state?.currentParameters?.[param.name]
       })
       return {
         ...state,
@@ -143,6 +147,11 @@ const reducer = (state: State, { type, payload }): State => {
         ...state,
         currentParameters: payload,
       }
+    case 'setCustomizerOpenState':
+      return {
+        ...state,
+        isCustomizerOpen: payload
+      }
     case 'setLayout':
       return {
         ...state,
@@ -290,7 +299,7 @@ export const requestRender = ({
     return renderFn({
       code,
       settings: {
-        parameters,
+        parameters: state.isCustomizerOpen ? parameters : {},
         camera,
         viewerSize,
         quality,