Matt Makes Those

Barcode Label Maker

Code 128B — supports letters, digits & symbols. Max ~30 chars recommended.

Sets card height so the slot fits a standard strip magnet with 1 mm clearance.

4 circular recesses in the corners of the card back. Hole edges stay ≥ 2 mm from the walls.

Horizontal span of the magnet pocket across the card back.

Width of each barcode module — increase to scale up the barcode.

Pre-colored for Bambu Studio / Orca Slicer