Wall Cradle for Home Assistant Voice Preview Edition (lift-and-drop, no supports)
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Face-out wall mount for the Home Assistant Voice PE. The unit lifts in and drops behind a lip, the cable exits straight
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A wall cradle for the Home Assistant Voice Preview Edition (84 x 84 x 21 mm). It holds the unit flat against the wall, face out, with the ports pointing down so a short USB-C cable drops straight to an outlet below.
How it holds the unit
No snaps and nothing that has to flex. The pocket is 2.5 mm taller than the unit:
1. Tilt the unit in, top edge first.
2. Slide it up under the two top lips.
3. Swing the bottom in and let it drop behind the bottom lip.
Gravity keeps it there. Lift 2.5 mm and tilt to take it out.
Details
- Bottom wall is open for 56 mm so both the USB-C plug and the rest of the port bay are clear, and the back plate has a cable slot under the USB-C port.
- The left wall is cut down beside the mute switch, so you can still slide it.
- The top wall is low (6 mm), so the unit is easy to grip.
- Two countersunk holes on the centreline, 50 mm apart, for #6 (3.5 mm) screws into drywall anchors.
- Solid back plate. There is an optional speaker window in the source speaker_d); I could not hear a difference for voice replies, so it is off.
- Outer size 89.4 x 91.9 x 27 mm.
Printing
- Plate on the bed, as oriented. No supports, no bridges.
- 0.2 mm layers, 4 walls, 25% infill.
- PLA is fine: both of mine (grey and blue, in the photos) are PLA. Nothing has to flex, so there is no need for PETG unless the spot gets hot.
- About 42 minutes and 33 g on a Snapmaker U1 at those settings.
Fit
This is the sixth revision, fitted against a real unit. Clearance is 0.3 mm per side. If your printer runs tight and the unit will not drop in, open cradle.scad and raise clearance to 0.4. If it rattles up and down, lower lift toward 2.0.
Source
cradle.scad (OpenSCAD) is included. Every dimension is a named parameter at the top of the file.
Designed with AI assistance (OpenSCAD written with Claude), then test-printed and revised six times against the real device.