1
Enclosures & cases
BMW G20 3 Series key fob cover case
A two-part snap shell for the BMW G20, G30 and G05 key fob (2019 onward, the fob with the chrome band), protecting the glossy plastic from keys and coins. The fob measures about 78 by 43 by 14 mm, so the shell is built 0.3 mm larger with 1.2 mm walls, four 8 mm cut-outs for the lock, unlock, boot and panic buttons, a 30 by 6 mm slot for the emergency key blade release and a 5 mm lanyard eyelet. The halves join with a 1 mm lip and two 0.4 mm snap bumps. Print in TPU 95A for a grippy case or PETG for a hard one, both halves open side up. Open the ready-made model free, resize it on your phone or computer, then download a print-ready STL, 3MF or G-code sliced for your printer, free.Opening the ready-made model and downloading it as STL or 3MF are free, no card; AI changes use credits, from Maker at $7.99 a month.No printer? We print this part and ship it to your door. See its priceUpdated
2
Adjust
Change its numbers in the viewer for free, or ask the AI in the chat: wall thickness, hole size, the thing it clips onto. AI changes use 2 credits per request (1 for a quick edit, 3 for a redesign), paid with a plan from Maker at $7.99 a month.3Print
Download a watertight STL or 3MF free, with your numbers and hand edits, or G-code sliced for your printer at the same price. After an AI change the download is included in every plan (4 credits without one).
Dimensions of the ready-made model (editable)
| Parameter | Value |
|---|---|
| clearance around fob | 0.3 mm |
| shell wall thickness | 1.2 mm |
| mating lip height | 1 mm |
| lip fit clearance | 0.3 mm |
| snap bump diameter (0.4 mm radius bump) | 0.8 mm |
| material around eyelet hole | 3 mm |
Example prompt
Create a two-half key fob shell for a fob 78 mm long, 43 mm wide and 14 mm thick with 0.3 mm clearance and 1.2 mm walls, four 8 mm round button openings, a 30 by 6 mm blade release slot, a 5 mm lanyard eyelet, a 1 mm mating lip and two 0.4 mm snap bumps per side.
Fit notes
Fob shapes change with every facelift, so a downloaded cover for the F30 fob will not close on a G20. In SpeakCAD you give the measured fob, preview the shell in the browser, add a Comfort Access notch in the chat, and download the STL.
Questions people ask about a BMW G20 3 Series key fob cover case
A two-part snap shell for the BMW G20, G30 and G05 key fob (2019 onward, the fob with the chrome band), protecting the glossy plastic from keys and coins. The fob measures about 78 by 43 by 14 mm, so the shell is built 0.3 mm larger with 1.2 mm walls, four 8 mm cut-outs for the lock, unlock, boot and panic buttons, a 30 by 6 mm slot for the emergency key blade release and a 5 mm lanyard eyelet. The halves join with a 1 mm lip and two 0.4 mm snap bumps. Print in TPU 95A for a grippy case or PETG for a hard one, both halves open side up.
Click Open it free on this page and create a free account (no card): the ready-made model opens in your browser, on your phone or computer, nothing to install. Change its numbers in the viewer for free and download a watertight STL or 3MF free, or G-code sliced for your printer at the same price. An AI change in the chat uses 2 credits per request (3 for a redesign), and the download after it is included in every plan (4 credits without one). Start with Maker: 50 credits a month for $7.99, cancel anytime.
On this page: open the ready-made model free in a SpeakCAD account (no card), change any dimension in the viewer, then download the STL or 3MF free, or G-code sliced for your printer at the same price.
A shared STL is modelled for someone else's measurements. Here you open the ready-made model free, change it to your measurements in the viewer, then download a file sized for the part you actually own, free as STL or 3MF.
Yes. SpeakCAD slices the part on its servers with OrcaSlicer and your printer's official profile (380+ printers, including Bambu Lab, Prusa, Creality and Elegoo), and you download the G-code (a sliced .gcode.3mf for Bambu Lab printers). G-code sliced for your printer costs the same as the STL: included in every plan, free for a part you shaped by hand, 4 credits without a plan for a part with AI work in it. Pick your printer on the printers page to see its profile.
No. SpeakCAD runs in the browser on your phone or computer: the chat, the 3D engine and the live viewer load in the tab. The only file you download is the finished STL, 3MF or sliced G-code.
Print it your way
More enclosures & cases
Vented case for a Raspberry Pi 4Ready-made, opens free. A two-part shell for the Raspberry Pi 4 that protects the board while keeping it cool, with cut-outs for USB, Ethernet, HDMI, audio, USB-C power and the micr…Junction box with gasket groove for outdoor useReady-made, opens free. A small outdoor box for joining low-voltage cables, sensors or LED drivers where rain must stay out.AirTag wallet card holder slim credit card sizeReady-made, opens free. A credit-card footprint (85.6 x 54 mm) card that holds an Apple AirTag (31.9 mm diameter, 8 mm thick) in a wallet card slot so the wallet can be found in the…Raspberry Pi 5 case with active cooler cutoutReady-made, opens free. A two-part snap-fit case sized for the Raspberry Pi 5, whose board measures 85 x 56 mm with M2.5 mounting holes on a 58 x 49 mm pattern.LilyGO T-Display S3 case with screen bezelReady-made, opens free. A desktop shell for the LilyGO T-Display S3, an ESP32-S3 board with a 1.9 inch 170 x 320 pixel display.Apple Watch Series 11 travel charger caseReady-made, opens free. A two-part clamshell that holds an Apple Watch Series 11 (about 46 mm case) on its magnetic charger plus a 1 m USB-C cable coiled in a 70 mm spiral.