Jing's PyraminxThe Jing's pyraminx was created by Adam Cowen and was produced by Uwe Meffert in 2009. It is a pillowed Halpern-Meier pyramid, based on the skewb mechanism.
Junior Ghost TetrahedronThe concept of the Ghost cube applied to a 2x2x2 and subsequentially modified into tetrahedral shape.
Kevin's TetrahedronA 3x3x3 transformed into a tetrahedrons shape. Built with "cut and paste" method.
Latch PyraminxThe principle of the Latch Cube applied to the Pyraminx.
Marcos PyramidA Square-1 in midturn and afterwards reshaped into a tetrahedron.
Master Crazy TetraLooks like a Master Pyraminx with circles but the piece set resembles more the Master Skewb.
Master PyraminxAn incredible creation by Katsuhiko Okamoto which later made it into a mass production.