Loosen a tight shirt collar under a tie
Button the shirt button through the slot and tilt the T toggle through the collar buttonhole: the collar gains 12 mm, so a shirt that has become tight round the neck closes comfortably under a tie.
Print flat in PETG; white or clear hides best.
Filament: at most about 1.2 g of PLA printed solid (roughly $0.02 at $20 per kg); normal infill uses less.
To get the files, open it in the generator and choose File › Download STL (one file per part) or Download 3MF (every part on one plate).
The shirt collar extender with toggle model measures 37 × 16 × 7 mm (width × depth × height). You can change every size in the free SO3D.xyz generator before you download it.
Usually not. Print flat in PETG; white or clear hides best.
At most about 1.2 g of PLA (0.9 cm³ printed solid), roughly $0.02 of filament at $20 per kg. Normal infill uses less.
Yes. Open it in the SO3D.xyz generator (free, in your browser), change the size, walls, dividers, holes, text or anything else, then download it as STL or 3MF for your slicer.
Change the size, walls, dividers, holes and labels of the shirt collar extender with toggle model in your browser, then download it for your printer. Free, no CAD needed.
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