Added base with small support podium in center
Cropped and obscured screenshot demonstrating the complete lack of distortion to the right side of the crab

Distortion was initially accomplished using a cage edit in conjunction with other tools, however due to crashing problems the cage edit was swapped with a lattice distortion in Blender 2.8, which is near identical to the cage edit function in Rhino, while fine tuning, solidifying, and other tweaks were accomplished in Meshmixer