diff --git a/packages/viewer-sandbox/src/Sandbox.ts b/packages/viewer-sandbox/src/Sandbox.ts
index b7eba663aa..5a447428aa 100644
--- a/packages/viewer-sandbox/src/Sandbox.ts
+++ b/packages/viewer-sandbox/src/Sandbox.ts
@@ -148,7 +148,7 @@ export default class Sandbox {
       this.addStreamControls(url)
       this.addViewControls()
       this.addBatches()
-      this.properties = await this.viewer.getObjectProperties()
+      // this.properties = await this.viewer.getObjectProperties()
       this.batchesParams.totalBvhSize = this.getBVHSize()
       this.refresh()
     })
@@ -467,11 +467,8 @@ export default class Sandbox {
       // )
 
       this.viewer
-        .getExtension(SelectionExtension)
-        .selectObjects(this.ids /*['c3138e24a866d447eb86b2a8107b2c09']*/)
-      setTimeout(() => {
-        console.log(this.viewer.getRenderer().renderingStats)
-      }, 1000)
+        .getExtension(FilteringExtension)
+        .isolateObjects(this.ids /*['1c8f29e7d48e531f6acbf987a50467f9']*/)
     })
 
     const rotate = this.tabs.pages[0].addButton({
diff --git a/packages/viewer-sandbox/src/main.ts b/packages/viewer-sandbox/src/main.ts
index cb5cd45e41..0979dddc98 100644
--- a/packages/viewer-sandbox/src/main.ts
+++ b/packages/viewer-sandbox/src/main.ts
@@ -183,7 +183,7 @@ const getStream = () => {
     // 'https://latest.speckle.dev/streams/1c2b3db9fb/commits/f12861736e'
     // 'https://latest.speckle.dev/streams/1c2b3db9fb/commits/1015d417ea'
     // Jedd's views
-    'https://latest.speckle.dev/streams/c1faab5c62/commits/e6632fe057'
+    // 'https://latest.speckle.dev/streams/c1faab5c62/commits/e6632fe057'
     // 'https://latest.speckle.dev/streams/7d051a6449/commits/7632757a33'
     // 'https://latest.speckle.dev/streams/4658eb53b9/commits/d8ec9cccf7'
     // MEPs (whatever they are)
@@ -303,7 +303,7 @@ const getStream = () => {
     // 'https://speckle.xyz/streams/2f9f2f3021/commits/75bd13f513'
     // 'https://speckle.xyz/streams/0a2f096caf/commits/eee0e4436f?overlay=72828bce0d&c=%5B14.04465,-332.88372,258.40392,53.09575,31.13694,126.39999,0,1%5D&filter=%7B%22propertyInfoKey%22%3A%22level.name%22%7D'
     // 'Bilal's tests
-    // 'https://latest.speckle.dev/streams/97750296c2/commits/5386a0af02' // 700k+ objects 30kk tris
+    'https://latest.speckle.dev/streams/97750296c2/commits/5386a0af02' // 700k+ objects 30kk tris
     // 'https://latest.speckle.dev/streams/97750296c2/commits/2a6fd781f2' // NEW
 
     // 'https://latest.speckle.dev/streams/97750296c2/commits/48f0567a88' // 1015849 objects
diff --git a/packages/viewer/src/modules/extensions/FilteringExtension.ts b/packages/viewer/src/modules/extensions/FilteringExtension.ts
index bb791c76cc..acb9f7f1d0 100644
--- a/packages/viewer/src/modules/extensions/FilteringExtension.ts
+++ b/packages/viewer/src/modules/extensions/FilteringExtension.ts
@@ -148,12 +148,28 @@ export class FilteringExtension extends Extension {
 
     this.VisibilityState.command = command
 
-    let walkFunc: (node: TreeNode) => boolean
     if (command === Command.HIDE || command === Command.SHOW)
-      walkFunc = this.visibilityWalk
-    if (command === Command.ISOLATE || command === Command.UNISOLATE)
-      walkFunc = this.isolationWalk
-    this.WTI.walk(walkFunc.bind(this))
+      this.WTI.walk(this.visibilityWalk.bind(this))
+    if (command === Command.ISOLATE || command === Command.UNISOLATE) {
+      // this.WTI.walk(this.isolationWalk.bind(this))
+      const rvMap = {}
+      this.WTI.walk((node: TreeNode) => {
+        if (!node.model.atomic || this.WTI.isRoot(node)) return true
+        const rvNodes = this.WTI.getRenderTree().getRenderViewNodesForNode(node, node)
+        if (!this.VisibilityState.ids[node.model.raw.id]) {
+          rvNodes.forEach((rvNode: TreeNode) => {
+            rvMap[rvNode.model.id] = rvNode.model.renderView
+          })
+        } else {
+          rvNodes.forEach((rvNode: TreeNode) => {
+            delete rvMap[rvNode.model.id]
+          })
+        }
+        return true
+      })
+      this.VisibilityState.rvs = Object.values(rvMap)
+    }
+
     return this.setFilters()
   }
 
@@ -508,17 +524,26 @@ export class FilteringExtension extends Extension {
 
     if (this.idCache[key] && this.idCache[key].length) return this.idCache[key]
 
-    this.WTI.walk((node: TreeNode) => {
-      if (objectIds.includes(node.model.raw.id)) {
-        const subtree = node.all((node) => {
-          return node.model.raw !== undefined
-        })
-        const idList = subtree.map((node) => node.model.raw.id)
-        allIds.push(...idList)
-        this.idCache[node.model.raw.id] = idList
-      }
-      return true
-    })
+    for (let k = 0; k < objectIds.length; k++) {
+      const node = this.WTI.findId(objectIds[k])[0]
+      const subtree = node.all((node) => {
+        return node.model.raw !== undefined
+      })
+      const idList = subtree.map((node) => node.model.raw.id)
+      allIds.push(...idList)
+      this.idCache[node.model.raw.id] = idList
+    }
+    // this.WTI.walk((node: TreeNode) => {
+    //   if (objectIds.includes(node.model.raw.id)) {
+    //     const subtree = node.all((node) => {
+    //       return node.model.raw !== undefined
+    //     })
+    //     const idList = subtree.map((node) => node.model.raw.id)
+    //     allIds.push(...idList)
+    //     this.idCache[node.model.raw.id] = idList
+    //   }
+    //   return true
+    // })
 
     this.idCache[key] = allIds
     return allIds