ratgdo v2.5 base 12 5mm self tapping with no mounting tabs or bottom holes

This is a branch off of the case that samwiseg0 made for the ratgdo. This case has no mounting tabs or holes on the bottom, which is ideal for mounting using double sided tape.  Please reference https://www.printables.com/model/602600-ratgdo-v20-v25-v25i-252i-253i-pcb-caseenclosure for models to complete the case (lid and pcb mount).

This is a branch off of ratgdo_v2.5_base_12_5mm_self_tapping.stl that has no mounting tabs or holes on the bottom.