Cuboids on a TorusFour Cuboids connected together on a torus which allows to exchange the pieces between the puzzles.
Curvy DiamondA concept of the Fluffy Cube applied to a Skewb Diamond
Delta GemA triaugmented Triangular Prism with the axis system of the edge turning triangular prism. A jumbling only puzzle.
Diagonal 2x3x3A 2x3x3 combined with an additional set of turns which make it equivalent to a bandaged octagonal prism.
Diamond ShardAnother face turning associahedron with seven piece types in a different cut pattern.
Differential CubeA 3x3x3 that allows only slice turns or anti-slice turns on the blue-green axis.
Dodec 123A 1x2x3 shape transformed into a dodecahedron.
Dodec 125 IA 1x2x5 in shape of a dodecahedron. It does not change its shape.
Dodec 125 IIA dodecahedron with a 1x2x5 inside after one turn of 90°.
DoubleminxTwo Pyraminxes with moves connected by a gearing mechanism.