Tri-PumpkinA piece shuffle from two Skewb Curvy Rhombohedron.
Triamese 5x5x5 135Three 5x5x5s fused into a single puzzle. In this case the joint block has a size of 1x3x5.
Trio Cube HybridThe Trio Cube from Calvins Cuboid series with circles on two sides.
Tunnel CubeThe Handlebar Cube implemented differently. It allows more moves than the predecessor.
Twist ApartA variant of Turn Apart. A 2x2x2 behaving bandaged and with the objective to take it apart piece by piece.
Twisted Assembly PuzzleThree 2x2x2s each with additional cubies glued on. In their "solved state" the three puzzles can be assembled into a cuboid.