Rutku BB-20 — Fully 3D-printable airsoft shotgun with shells 3D model preview
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About this 3D model

See it in action here: https://www.youtube.com/watch?v=xsVJvoRTt0Y Includes a complimentary Shotgun Shell Weapon Charm! The weapon charm chain has an end clip that is compatible with all my Ringchaku designs, so you can attach any Ringchaku end to it! Although most of them are probably too big... But stay tuned for more weapon charms in the future! Assembling this requires no glue or bolts or nuts! Apart from the printed parts, you'll only need: One pen spring (max 5mm diameter, 15-20mm uncompressed length, less than 9mm compressed) Two rubber bands (10-30mm) Printing tips: All the parts are oriented in the correct printing orientation. Use supports for Trigger Assembly Cover Left and Trigger Assembly Cover Right. All others are up to how your printer can handle small bridges and overhangs. I recommend printing the Barrel Lock Latch in a "slippery" filament (not matte) because otherwise you might not be able to slam the barrel closed due to friction between the barrel and the latch. Assembly: Watch the assembly video: --- If you don't have BBs, I've included a printable bullet that works at least as well as a BB!