Magic Cube

Make the Ultimate standard size (dodecahedron size=2, i.e. equal to numLayers so that DIST2D and DIST3D are standard)

Make the Skewbs standard size (cube size=2,3, i.e. equal to numLayers so that DIST2D and DIST3D are standard)

Make Rex standard size (cube size=3, i.e. equal to numLayers so that DIST2D and DIST3D are standard)

Make Jing standard size (tetra size=2, i.e. equal to numLayers so that DIST2D and DIST3D are standard)

Make Ivy standard size (cube size=2, i.e. equal to numLayers so that DIST2D and DIST3D are standard)

Make Helicopter standard size (cube size=3, i.e. equal to numLayers so that DIST2D and DIST3D are standard)

Mirror Cubes: re-enable meshes; update meshes.

Mirror Cubes: make them a bit more off-center.

Mirror Cubes: add meshes and icons.

Add Mirror Cube 2x2 and 3x3.