Puzzle - Three Targets

Here a puzzle composed of 5 pieces that fit three different targets. It is the inverse of -https://www.thingiverse.com/thing:4441743 "Related Tiling Puzzles" - where different sets of 5 pieces fill a single target.

The targets are boxes containing 25 squares, each box has the squares arranged in a different way. The pieces are a tetromino, 3 pentominos and a hexomino - "Puzzle_Pieces_Set1.stl". A solution is shown below in "Notes".

Puzzle_Pieces_Set1.stl, printed alone, is a quickly created puzzle. The boxes make a nice presentation but are not necessary. One can point to the well known relationships; 5x5 = 25, 1+3+5+7+9 = 25 and 1+3+5+7+5+3+1 = 25, as targets.

Note - two more recent derivatives are available -https://www.thingiverse.com/thing:4601895 and
https://www.thingiverse.com/thing:4630090 They are simple puzzles meant to interest beginners in tiling.