QC CHECKLIST - Caffeine (CAS 58-08-2) - ready-to-print release 2026-10-28, package r19
File SHA-256: 61bbb8ec736087dbfad3fb423807465294afff81c257254bf4b07e0728b97f0b
Mark each item PASS or FAIL. The print is accepted only if all items 1-13 PASS.

STRUCTURE
 [ ] 1  All 11 pencils (with their cups) intact and attached at both ends (base and atom)
 [ ] 2  Single and double bonds intact (no cracks, no broken cylinders); no detached spheres
 [ ] 3  Smallest spheres (e.g. hydrogen) and small details intact; no damage from support removal;
        no support residue on spheres, bonds or engravings

LEGIBILITY (normal indoor light, normal or corrected vision)
 [ ] 4  Name and CAS on the front readable from 40 cm
 [ ] 5  Formula on the top arc readable from 25 cm
 [ ] 6  Texts on the underside (name, CAS, formula, MW) readable from 25 cm
 [ ] 7  Raised MolGod logo on top: symbol sharp, "MolGod.org" readable from 40 cm;
        marks left by removed supports on the logo are small (cosmetic)
 [ ] 8  No support residue on the engraved letters of the spheres
 [ ] 9  Element letters on the atom spheres readable
 [ ] 10 QR code (underside) scans on 2 different phones at 15-30 cm
        and opens https://molgod.org/molecule/58-08-2/

STABILITY AND DIMENSIONS
 [ ] 11 The model stands on a flat table without rocking
 [ ] 12 Base diameter 100 +/- 0.5 mm         measured: ______ mm
 [ ] 13 Total height 84.1 +/- 1 mm      measured: ______ mm
        (base with logo: 21.4 mm)

RECORDS (for information, not PASS/FAIL)
    14 Mass after support removal: ______ g   (slicer estimate 85-87 g incl. supports)
    15 Actual print time: ____ h ____ min      (slicer estimate 9h 52m 2s for the 3MF profile; per printer: gcode/README_GCODE.txt)
    16 Photos: front, side, top, bottom + a close-up of each pencil

RESULT:  PASS / FAIL     Inspector: __________  Date: __________
