3-in-1 Beginner/Intermediate/Expert Rock Climbing Grip

This is a 3-in-1 Rock Climbing Grip. It is intended to be used for all levels of climbing skill. As this is taken apart, one grip is built for a beginner, the other grip is for intermediate. When the two are built together, the result is an expert grip. It is important to use an appropriate fill for the thinner portions. For best results, I recommend printing in polycarbonate. You may have to scale the parts to make them fit on your printer.

UPDATE: Use part 2.1 instead of part 2, otherwise y