Target spec
Design targets for a first prototype, sized around parts that are sold off the shelf today. Not supplier quotes.
Wall version you can print
Four ASA parts on a laser-cut aluminium back plate, each sized for one Bambu Lab H2D. Open it in 3D or read the print notes and parts list.
Renders
Tap an image for the full 2400 × 1600 file.
Side by side
| Option | Atlas | Ledger | Bastion |
|---|---|---|---|
| Mount | Floor stand, 1,683 mm tall | Counter, desk or shelf | Post, wall or column |
| Screen | 21.5 in portrait, 700 nits | 18.5 in landscape, tilted 18° | 21.5 in portrait, 1,000 nits, glove touch |
| Scan bay | Closed slot, 88 mm tall, 140 mm deep | Long tray, 56 mm tall, 245 mm deep | Open zone under the console, 190 mm clear |
| Keys | 4 flat backlit aluminum keys | 4 round keys with light rings | 2 palm buttons, 2 small buttons |
| Shell | CNC aluminum, bead blasted, anodized | Molded polycarbonate on an aluminum base | PC/ABS with overmolded rubber corners |
| Rating | IP54 front | IP42, indoor | IP65 front, IK08 glass |
| Best fit | Lobbies, front gates, clean plants | Guard desks, small sites, time-clock shelves | Docks, freezers, busy warehouse floors |
| First run | No molds. Sensible from 10 units. | Needs molds. Cheapest per unit at volume. | Two molds. Lowest repair cost in the field. |
From render to prototype
All three read the rotating QR code from the Centurien worker app with no network, and send check-ins up when the link comes back.
- Pick a directionOr mix them. The Atlas body with Bastion buttons is a fair combination.
- Build a bench rig from stock partsOpen-frame touch monitor, binocular face module, 2D scan engine, keys and an ARM board. These are the same parts the ready-made kiosks on Alibaba are built from.
- Test the two hard thingsQR reads off phone screens at the bay depth, at full and low brightness. Face capture under dock lights and in a backlit doorway.
- Print the shell and pilotThree to five units at one site for two weeks, with real shift changes.
- Lock the production pathCNC for small runs, molds once the numbers justify them.












