Penrose SkewbA Skewb truncated into three round surfaces in a spiral pattern.
Pine ConeA skewb in a shape resembling the puzzles name.
Rex BiconeA Rex Cube truncated and extended into the shape of a bicone.
Rugby kubeA 2x2x2 (a bumped one) in shape of a rugby ball.
Sílex cubeA 3x3x3 truncated on six edges and afterwards extended. Unlike the variant with Sharp Edges the cuts are rounded.
Skewb DropA Skewb transformed to resemble a water drop truncated on four corners into a rounded tetrahedron like shape.