The file 'Lego Technics Finger Saver Tool 3D Printer Model' is (stl) file type, size is 1.2MB.
Here's a simple tool that will help you insert and remove all of those little Lego Technics pegs. You'll also need a cross axle to insert into the end hole - I used one with a stop and epoxied it in. Key ring is optional...
Technics_Tool_1.stl | 9.7MB |