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Pinhole Keychain – Modello 3D stampabile da MakerWorld MakerWorld
Physics & Astronomy

Pinhole Keychain

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MembershipA quick tip or a commercial license to sell prints.A compact Pinhole Keychain designed as an emergency tool for those moments when you forget your glasses.It works using the pinhole principle: when you look through a very small hole, only a narrow beam of light enters your eye, reducing blur caused by unfocused light rays. This increases the depth of field, allowing you to see text more clearly without lenses. Useful in everyday situations:– at the DMV, post office, or bank– reading a prescription, receipt, or phone number– filling out forms or checking small print when you're on the go– even in the lab, when you need to read tiny labels or instruments and forgot your glasses Lightweight, easy to carry, and always ready—this simple tool can really save the day when you’re stuck without your glasses. ⏱️ Prints in less than 10 minutes!Try it and see for yourself!!!Disclaimer:This is not a medical device and does not replace prescription glasses. It is intended for temporary
Categoria
Physics & Astronomy
Fonte
MakerWorld
Pubblicato
Aggiornato
Cosa serve per stampare: Principiante Bassa affidabilità
Pezzo unico
Supporti 1/3
Assemblaggio 0/3
Impostazioni 1/3
Dimensioni piano 0/3
Post-lavorazione 0/3
Stampante
FDM / FFF
Formato file
STL
Materiale
PLA
Piano min.
50 mm (Piccolo)
Software
Cura, PrusaSlicer o simile
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