PHONE CASE / FIRST-LAYER QR AND LETTERING GUIDE
Record: DAT-0025 / Revision A
Status: Design guidance; physical scan test pending

RECOVERED DESIGN VALUES
Raised text/details: 0.6 mm concept value
Recessed QR/Data Matrix depth: 0.6 mm concept value
Recommended layer height for the concept: 0.16 mm or larger

WORKFLOW
- Treat the QR geometry as a separate imported part when that gives the cleanest model control.
- Inspect the bottom surface because the graphic is against the build plate.
- Check first-layer flow, elephant-foot compensation, line width, bed adhesion, and purge behavior.
- Watch for slicer/model errors after removing and re-adding the QR.
- Physically scan the printed code; a clean slicer preview is not proof of readability.

These are design/manufacturability notes, not a complete slicer profile or a guaranteed scan result.