PUZZLE 1-2-3 Solved

Thanks for Frank Worrell (2010) model.

This is the Puzzle 1 2 3 that i have published before but with the solution here.
28 moves ...
Unzip the file to see all steps assembling

Print parts B+C+F in another color to get my model myself in the first pic.
Another suggestion : Print parts C+D+F in another color to get these 3 rings at the same side/axe

9 pieces easy print but not so easy to solve !
G, H, I are congruent.
Size 7×5 units each piece
Goal 7×7×7
Holes 36
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