Bosch 3912 Replacement Handle

Bosch 3912 clamping lever. Item broke on me, due to poor deisgn and how far it sticks out of the body. Month of trying to find a replacement part, but discontinued and no where to be found. Designed in SolidWorks, printed layer height .2, 50% infill, no supports needed. Remove the steel shaft, heat up with heat gun and press insert into the new knob.