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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.Organizers & storage
LEGO Technic gear-tray insert
This is not a fixed STL. SpeakCAD generates the lego technic gear-tray insert 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 lego technic gear-tray insert is
A tray insert that sorts Technic gears by tooth count in labelled wells (8, 12, 16, 20, 24, 40). The plate is 180 × 140 × 16 mm. Print in PLA.
A mixed gear bag is a build-night tax. In SpeakCAD you add rare gears, preview the tray in the browser without paying, then download the STL.
Example prompt
Design a Technic gear tray 180×140×16 mm with wells for 8, 12, 16, 20, 24 and 40 tooth gears and 0.5 mm labels.
People also search
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Questions people ask about a lego technic gear-tray insert
A tray insert that sorts Technic gears by tooth count in labelled wells (8, 12, 16, 20, 24, 40). The plate is 180 × 140 × 16 mm. Print in PLA.
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: Design a Technic gear tray 180×140×16 mm with wells for 8, 12, 16, 20, 24 and 40 tooth gears and 0.5 mm labels.
A mixed gear bag is a build-night tax. 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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