Skewb and Jings pyraminx is two version of one puzzle.
Both these puzzles have two 4-axis core.
Skewb can be solved like Jings Pyraminx with only diagonal 4 corners turn.
0:00 Jings Pyraminx
1:02 Skewb (4 axis turn)
Alg for corners flip is the same like 3x3 Y-path algs:
See all algs here:
• Fused LL Clock (Y-moves solve/algs)