Enclosures & cases

Raspberry Pi 3B+ case

This is not a fixed STL. SpeakCAD generates the raspberry pi 3b+ case to your millimetres, you adjust it in the chat, then you download and print it.
Building the 3D preview…
1

Open

Sign in and open this ready-made model in SpeakCAD for free, no plan needed. It renders in your browser, and the prompt below is filled in if you want the AI to redesign it.
2

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.
3

Print

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

Design a Raspberry Pi 3B+ case, 87×58×24 mm cavity, micro-USB, HDMI, audio, USB and Ethernet openings, microSD notch, M2.5 standoffs at 58×49 mm.

Get it now opens the app with this prompt already typed. Change any number to match what you measured; the rest of the design stays consistent.

What a raspberry pi 3b+ case is

A two-part case for a Raspberry Pi 3 Model B+ (85 × 56 mm). The cavity is 87 × 58 × 24 mm with openings for the micro-USB power, full-size HDMI, 3.5 mm jack, four USB-A and Ethernet ports, a microSD notch and a slot for the camera ribbon. Walls are 2 mm with four M2.5 standoffs at 58 × 49 mm. Print both halves flat in PLA.

A Pi 4 or Pi 5 case has micro-HDMI openings and a USB-C slot in the wrong place. Open the ready-made model in SpeakCAD for free, adjust the openings, then download the STL.

People also search
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Questions people ask about a raspberry pi 3b+ case

A two-part case for a Raspberry Pi 3 Model B+ (85 × 56 mm). The cavity is 87 × 58 × 24 mm with openings for the micro-USB power, full-size HDMI, 3.5 mm jack, four USB-A and Ethernet ports, a microSD notch and a slot for the camera ribbon. Walls are 2 mm with four M2.5 standoffs at 58 × 49 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: Design a Raspberry Pi 3B+ case, 87×58×24 mm cavity, micro-USB, HDMI, audio, USB and Ethernet openings, microSD notch, M2.5 standoffs at 58×49 mm.

A Pi 4 or Pi 5 case has micro-HDMI openings and a USB-C slot in the wrong place. 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.

Generate, adjust, print your raspberry pi 3b+ case

Nothing to install and no CAD skills needed. The prompt is waiting in the app after you sign in. Watch it render, tweak the fit, download the STL or 3MF and print it tonight.

Looking for a ready-made version? Check the marketplace, where makers sell finished, rated models for credits.