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Enclosures & cases
Adafruit QT Py case
This is not a fixed STL. SpeakCAD generates the adafruit qt py case to your millimetres, you adjust it in the chat, then you download and print it.Building the 3D preview…
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Adjust
Click a part and change its numbers in the viewer, or ask the AI in the chat: wall thickness, hole size, the thing it clips onto. AI changes use plan credits.3Print
Download a watertight STL or 3MF with a Maker or Pro plan, drop it in your slicer, and print it. Small fit fixes re-download free.
Get it nowOpening the ready-made model is free. A plan covers AI changes and the download.
Example prompt
Create an Adafruit QT Py case, 21×18.5×6 mm cavity, 9.5×3.8 mm USB-C slot, 7×3.5 mm STEMMA QT opening, 1.5 mm button holes, 1.2 mm walls.
What a adafruit qt py case is
A snap case for an Adafruit QT Py (about 20.3 × 17.8 mm, RP2040, ESP32-S3 or SAMD21). The cavity is 21 × 18.5 × 6 mm with a 9.5 × 3.8 mm USB-C opening, a 7 × 3.5 mm opening for the STEMMA QT connector on the far end and 1.5 mm holes over BOOT and RESET. Walls are 1.2 mm. Print both halves flat in PLA.
The Seeed XIAO has a similar footprint but no STEMMA QT port, so its case blocks the cable. Open the ready-made model in SpeakCAD for free, adjust any opening in the viewer or the chat, then download the STL.
People also search
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Questions people ask about a adafruit qt py case
A snap case for an Adafruit QT Py (about 20.3 × 17.8 mm, RP2040, ESP32-S3 or SAMD21). The cavity is 21 × 18.5 × 6 mm with a 9.5 × 3.8 mm USB-C opening, a 7 × 3.5 mm opening for the STEMMA QT connector on the far end and 1.5 mm holes over BOOT and RESET. Walls are 1.2 mm. Print both halves flat in PLA.
Click Get it now on this page and sign in: you can open the ready-made model for free, and the example prompt is filled in if you want the AI to redesign it. The model renders in your browser, nothing to install. Change any millimetre in the viewer or the chat (AI changes use plan credits), then export a watertight STL or 3MF with a Maker or Pro plan when you want to print.
Start from this working example and replace any number with what you measured: Create an Adafruit QT Py case, 21×18.5×6 mm cavity, 9.5×3.8 mm USB-C slot, 7×3.5 mm STEMMA QT opening, 1.5 mm button holes, 1.2 mm walls.
The Seeed XIAO has a similar footprint but no STEMMA QT port, so its case blocks the cable. In SpeakCAD you open the ready-made model for free, change it to your measurements, 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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