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Hobby & gaming
Meta Quest 3 head strap battery pack mount
A counterweight cradle that straps a slim USB power bank to the rear of a Meta Quest 3 or Quest 3S standard head strap, extending play time and balancing the 515 g headset. The pocket is sized for a 100 x 52 x 26 mm bank such as the Anker 10000 mAh or a slim 5000 mAh cell, with 0.5 mm clearance, an open bottom for the USB-C lead, and two 25 mm wide slots that the rear strap threads through. A curved 3 mm back plate spreads the load across the strap pad and a 15 mm elastic loop keeps the bank from bouncing during Beat Saber. Print it on its flat back with 2 mm walls. 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
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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 | 0.5 mm |
| wall thickness | 2 mm |
| back plate thickness | 3 mm |
| back curvature radius | 90 mm |
| strap slot | 25 mm |
| elastic retaining loop | 15 mm |
Example prompt
Design a Quest 3 head strap battery mount for a 100 x 52 x 26 mm power bank with 0.5 mm clearance, open bottom for a USB-C cable, two 25 x 4 mm strap slots, a curved 3 mm back plate with 90 mm radius, a 15 mm elastic retaining loop and 2 mm walls.
Fit notes
Battery straps for the Quest are pricey and lock you into one battery. In SpeakCAD you type your power bank's dimensions and strap width, preview the cradle in the browser without spending anything, adjust the curve in the chat and download the STL.
Questions people ask about a Meta Quest 3 head strap battery pack mount
A counterweight cradle that straps a slim USB power bank to the rear of a Meta Quest 3 or Quest 3S standard head strap, extending play time and balancing the 515 g headset. The pocket is sized for a 100 x 52 x 26 mm bank such as the Anker 10000 mAh or a slim 5000 mAh cell, with 0.5 mm clearance, an open bottom for the USB-C lead, and two 25 mm wide slots that the rear strap threads through. A curved 3 mm back plate spreads the load across the strap pad and a 15 mm elastic loop keeps the bank from bouncing during Beat Saber. Print it on its flat back with 2 mm walls.
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
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