You might have to scale 100x
Infill
I printed with 20% infill. The only part that needs 100% infill is the moving handle (with cam) up past the hinge hole. (I had the cam snap off on one of the pliers.)
Supports
I used the option to add support material on buildplate only. This should ensure that the holes stay open
Orientation
The models are not correctly oriented for printing.
Best Orientation of the top part for printing is to have the v-grove pointing up
Best orientation for the base is flat on it’s side with the logo pointing up
Best orientation for the jaw is with the cam and teeth pointing up
Best orientation for the separate handle is flat on its side, with the little cam pointing up. The other way around would require a lot of extra support material.
All the parts should fit on a 200x200mm printbed.
The author remixed this model.