SweetheartA modified 2x2x4 into the shape of a heart.
Swiss BumpA 3x3x3 with an unusual but regular shape and a tilted axis system.
The Knob CubeA 3x3x3 with one set of 4 cubies added to each side.
Time Machine : back to Square-1A bandaged version of the Time Machine. The bandaging scheme is identical to the Square-1 from which this puzzles predecessors where developed.
Time Machine IIA 2x2x2 (bandaged into a 1x2x2) received 6 rings of a hexagonal prism.
Time wheelA mass produced version of the cross cube with differently placed cuts.
Triamese Void PentagonsFourth variant out of a series of Holey Megaminx transformations. This one has three twistable faces left.
TribulusA truncated Pyraminx very similar to Brandt's Knuffy.
TridentAn Ultimate Skewb modifed in one halve to look like a sphere. On the other halve it has three spikes like the Pentagonal trapezohedron.
Trycylinder 2x2x2Three cylinders joined in one solid. This time by extensions not truncations.