I've designed this small cutter with the main purpose of opening boxes! The blade is self-retractable so the cutter is super-safe. The mechanism is completely hidden in a printed shell.
You need 2 non-printed parts in order to build the cutter:
I've uploaded the assembling steps images.
| body1.stl | 34.8KB | |
| body2.stl | 97.0KB | |
| body3.stl | 128.9KB | |
| body4.stl | 56.9KB |
