Retractable karambit knife designed based off CORRUGATORSUPERCILII cat claw box cutter and @OcularDynamic.

I started from scratch in Fusion because the design had some flaws in my opinion. I doubled the amount of magnets and made some form changes. All the parts are a bit thicker to accomodate nyloc m3 nuts and increase robustness.

I added a .STEP file :)

I print everything in PETG. I recommend to print at least the hinges in PETG or ASA.

Filament i used:

Blue: Zortrax Z-glass

Yellow: Fiberlogy Easy PETG

Assembly Parts

For Body:

4x - M3x20mm screws

4x - M3 Nyloc Nuts

For Blade:

2x - M3x5 Screws

2x - M3 Nuts (flat, without nyloc)

Magnets:

6x 6x3mm