Boneheads Series 1: Wolf Skull w/ Articulated Jaw - via 3DKitbash.comO.L.I.V.I.A
Horns and horn base of a Chamois (Rupicapra rupicapra rupicapra)Anthony_3dworld
Flex-16: Large-Displacement Monolithic Compliant Rotational HingeJimmy_3d
Solid object of constant width Reuleaux Triangle Volume of revolutionVinessa_3dstl