Thingiverse
MakerWorld
MyMiniFactory
Printables
Thangs
Cults
CGTrader
Youmagine
Gambody
Etsy
Box opener
MakerWorld
Den4ik959
Get 3D Printable Model
box
box opener
opener
easy
fast
lightweight
cheap
sharp
pointy
OTF Trapezoid & 18mm Utility Blade Holder O-Eng'ed
MakerWorld
iczfirz
EDC Knife aka Every Day Carry Trapezoid Blade
MakerWorld
iczfirz
Utility Knife with Quick-Change Mechanism
MakerWorld
Ivy & Manu Designs
Compact OTF Knife
MakerWorld
Rando101