An alternative, non threaded crank and worm for the $3.47 3D Scanner

I was having trouble working with the crank assembly for the $3.47 3D Scanner that datac printed/created, so I went into Blender, and made a square joint because my threads were printing out too big for the crank to connect to the worm gear. I increased the infill to 40% to make my print more solid. You may have to shave the crank's square part to fit into the worm's slot, I did a little, but afterwards, it worked great. I do not take any credit for this, as datac worked hard to make this projec