D-Cross · F2L 3D Trainer

Use the 3D trainer to calculate optimal D-Cross solutions and repeat F2L recovery cases that keep D-Cross solved.

GUIDES

Start with the topic you need.

Review notation, D-Cross, or F2L, then practice it in the same tool.

Step through beginner-to-advanced D-Cross and F2L cases with 3D playback and completion tracking.

Learn to read the position and orientation of the four bottom-layer edges.

Repeat F2L recovery from scrambles that leave D-Cross solved.

Check face letters, primes, and double turns with input examples.

Build speed on real triggers with a rebindable keymap, touch keycaps, and local personal bests.

Save the current mode and complete scramble in a link.