Puzzle description:

Here you find the monomio, the domino, the two trominoes and the five tetrominoes. This set is for completion of the following sets of lagrer polyominoes:

Pentominoes and hexominoes: 

Heptominos: 

All polyominoes are compatible and if you add some small polyominoes to pentominoes or hexominoes, for instance, there are new interesting problems to solve, both packing puzzles and symmetry puzzles.

If you can read German: Mehr Informationen gibt es in https://welt-der-geduldspiele.blogspot.com/search?q=3D-Druck

Puzzle difficulty: There are packing puzzles and symmetry puzzles from easy to very hard.

Printing instructions:

The STL files were generated using PuzzleCAD: https://www.thingiverse.com/thing:3198014. The PuzzleCAD file is also included.

Prints are fine with no supports. I printed the puzzle in PLA at 0.2 mm layer height.