Penvolver - Mechanical Pen Holder

cults3d

What: Design features a working revolver mechanism, making that organizer an addictive toy. Cylinder comes in 2 variants: 8-shot Standard and 6-shot Magnum. Standard is 11mm caliber - suitable for pens, pencils etc. Magnum is 18mm - perfect for thicker markers, toothbrushes etc. *sadly, synchronization in Magnum is a bit off - gears were designed only for 8-shot. Still spins though :P Why: Years ago I designed this: thelaguna Revolver pen holder 👁 4.2k views ♥ 19 likes ⬇️ 232 downloads 🔖 0 collections 💬 0 comments 📸 0 makes ⬇️ Download Free Now I wanted to make a new revision showing my progress since then. I wanted to make a mechanical design without BOM. All components should be printable, including print-in-place bearings (or kind-of bushings). Well, bearings still require some grease, which is hard to print. This project was a spring design study - 3 of them were used to 1. preload the trigger, 2. push the cylinder ratchet, and 3. cylinder stop. There's still a place for 1 or 2 more to make the movement more accurate. I also included different spring variants for different fun levels. How: Assembly instructions in zip archive