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The prompt on this page opens in SpeakCAD already filled in — after sign-in too. The model renders in your browser. Preview is free.Replacement parts
Roomba j9+ cliff-sensor shim
This is not a fixed STL. SpeakCAD generates the roomba j9+ cliff-sensor shim to your millimetres, you adjust it in the chat, then you download and print it.2
Change any millimetre in the chat: wall thickness, hole size, the thing it clips onto. Iterations stay in the tab until it matches what you own.Adjust
3Print
Download a watertight STL or 3MF for 2 credits, drop it in your slicer, and print it. Small fit fixes re-download free.Get it nowThe example prompt comes with you, even through sign-in. Preview is free; a download costs 2 credits.
What a roomba j9+ cliff-sensor shim is
A 1.2 mm shim that sits under a j9+ cliff sensor so dark hardwood is not read as a stair. The plate is 30 × 12 mm with the stock 2 mm holes. Print in PETG; use only if you have no real stairs.
Dark floors park the j9 in the hall. In SpeakCAD you confirm the sensor, preview the shim in the browser for free, then download the STL.
Example prompt
Create a j9+ cliff shim 30×12×1.2 mm with 2 mm holes, PETG. Not for homes with real drop-offs.
People also search
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Questions people ask about a roomba j9+ cliff-sensor shim
A 1.2 mm shim that sits under a j9+ cliff sensor so dark hardwood is not read as a stair. The plate is 30 × 12 mm with the stock 2 mm holes. Print in PETG; use only if you have no real stairs.
Click Get it now on this page: the example prompt is filled in for you after you sign in. The model renders in your browser — nothing to install — and previewing is free. Adjust any millimetre in the chat, then export a watertight STL or 3MF for 2 credits when you want to print.
Start from this working example and replace any number with what you measured: Create a j9+ cliff shim 30×12×1.2 mm with 2 mm holes, PETG. Not for homes with real drop-offs.
Dark floors park the j9 in the hall. In SpeakCAD you generate and preview for free, then download a file sized for the part you actually own.
No. SpeakCAD runs entirely in the browser: the chat, the 3D engine and the live viewer load in the tab. The only file you download is the finished STL or 3MF.
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