The Riptide Utility Knife, Karambit Style 3D Printer Model Free Download

Description Files (5)

Summary

Tested a few versions of this one, and I found that I was missing a more distinct place to put my thumb. :-) In the cover photo you can se the knife compared to the original I remixed from.

This knife uses regular Stanley trapezoid shaped razor blades, with 3 optional magnets allowing it to lock closed or open. If nuts/screws are adequately tightened, the magnets are not really needed, but it is an option you can select.

You need:

2x: Link Hex Nut
2x: Link Countersunk
1x: Blade Handle (or alternative handle with finger guard)
1x: Blade Holder with thumb grooves

Non Printed Parts

4x: M3x16mm Button Head Screws
4x: M3 Nylon Insert Nuts (Locknuts)
2x: M3x5 Button Head Screws
2x: M3 Nut

Optional:

3x: 6mm OD x 3mm Magnets

I have tested this one now over time and it has more than sufficient strength and stiffness for safe use, and feels great in the hand. When you find the sweetspot for the correct tightness of the screws/nuts, it is easy to open and close, while still not opening unintentionally. I have printed these using the Creality Hyper PLA, and I highly recommend this. Strong and easy to use.

Updated. Some minor adjustments done. Alternative handle with fungerguard to make safer to use.

Alternative_Grip_with_fingerguard_v2.stl	204.2KB
Utility_karambit_blade_thumb_grooves.stl	142.1KB
Utility_karambit_handle.STL	186.2KB
Utility_karambit_link_countersunk.STL	92.9KB
Utility_karambit_link_hex_nut.STL	74.7KB

The Riptide Utility Knife, Karambit Style 3D Printer Model

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