diff --git a/README.md b/README.md
index 79e331b..001fce7 100644
--- a/README.md
+++ b/README.md
@@ -65,10 +65,11 @@ The CircuitJsonPreview component provides:
 - Circuit JSON viewer
 - Error display
 
-> Note: You should have tailwind installed in the parent project, this library
-> works without installing tailwind but without the "css reset" things will look
-> a bit off (e.g. you might see serif fonts), create an issue if that's
-> cumbersome because we removed it to save 5kb
+### Providing the Blob URL (to avoid loading webworker from CDN)
+
+```tsx
+import evalWebWorkerBlobUrl from "@tscircuit/eval-webworker/blob-url"
+```
 
 ## Development
 
diff --git a/bun.lockb b/bun.lockb
index 71e131c..c688ce0 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/lib/components/RunFrame.tsx b/lib/components/RunFrame.tsx
index c406087..e780eee 100644
--- a/lib/components/RunFrame.tsx
+++ b/lib/components/RunFrame.tsx
@@ -15,8 +15,6 @@ declare global {
   var runFrameWorker: any
 }
 
-// @ts-ignore
-import evalWebWorkerBlobUrl from "@tscircuit/eval-webworker/blob-url"
 import type { ManualEditEvent } from "@tscircuit/props"
 import { useRunFrameStore } from "./RunFrameWithApi/store"
 import { getChangesBetweenFsMaps } from "../utils/getChangesBetweenFsMaps"
@@ -93,6 +91,8 @@ interface Props {
   defaultActiveTab?: Parameters<
     typeof CircuitJsonPreview
   >[0]["defaultActiveTab"]
+
+  evalWebWorkerBlobUrl?: string
 }
 
 export const RunFrame = (props: Props) => {
@@ -166,7 +166,7 @@ export const RunFrame = (props: Props) => {
       const worker: Awaited<ReturnType<typeof createCircuitWebWorker>> =
         globalThis.runFrameWorker ??
         (await createCircuitWebWorker({
-          webWorkerUrl: evalWebWorkerBlobUrl,
+          webWorkerUrl: props.evalWebWorkerBlobUrl,
           verbose: true,
         }))
       globalThis.runFrameWorker = worker
diff --git a/package.json b/package.json
index fb6602a..de32fad 100644
--- a/package.json
+++ b/package.json
@@ -58,8 +58,8 @@
     "@radix-ui/react-tabs": "^1.1.2",
     "@tscircuit/3d-viewer": "^0.0.101",
     "@tscircuit/assembly-viewer": "^0.0.1",
+    "@tscircuit/eval-webworker": "^0.0.72",
     "@tscircuit/core": "^0.0.273",
-    "@tscircuit/eval-webworker": "^0.0.69",
     "@tscircuit/file-server": "^0.0.13",
     "@tscircuit/pcb-viewer": "^1.11.29",
     "@tscircuit/props": "^0.0.130",
@@ -68,6 +68,7 @@
     "clsx": "^2.1.1",
     "comlink": "^4.4.2",
     "cssnano": "^7.0.6",
+    "jscad-fiber": "^0.0.76",
     "lucide-react": "^0.473.0",
     "react-cosmos-plugin-vite": "^6.2.0",
     "schematic-symbols": "^0.0.111",