BottleTags — JLF-21 · 3-piece kit

Distinguish closed photographic chemistry bottles on a shelf. Three reusable hanging neck tags with deep lettering: DEV, STOP and FIX. MEASURE FIRST: Bottle neck outside diameter below 40 mm; collar hole 42 mm. External label only. USE: Pass collar over the uncapped EMPTY bottle neck before filling, then recap. Never replace the original chemical label. No chemical-contact or immersion claim. Includes 3 printed parts in matte black PLA: dev (52.0 × 62.0 × 3.0 mm), stop (52.0 × 62.0 × 3.0 mm), fix (52.0 × 62.0 × 3.0 mm). Paper, tape, equipment and other accessories are not included. Dry indoor bench use only. No physical tests of fit, stability or durability. Images are CAD renders. Design: João Lutz / JoaoLutzFilm, developed with AI assistance. Original CAD.