Helicopter PyramidA Helicopter Cube heavily truncated and slightly extended into the shape of a triangular pyramid.
HelicoptrahedronThe first shape transformation of a Curvy Copter and the second tetrahedron with this axis system.
HexagramFour axes which allow 120� turns and four axes which allow 60� turns.
Hollow PyramidThe concept of the Hollow Cube transferred to the Pyraminx but with a newly designed mechanism.
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