Antislide Puzzle (openscad)

The aim of the puzzle is to place 5 figures in a grid of 6x6, 6x7, 6x8 or 6x9 the way they cannot move in horizontal and vertical directions.

On the photo is one of two solutions for 6x6, could you find another?

Design is parametrized openscad, you can tune dimensions, grid side and specify the parts of the puzzle to be generated.

Github of the project: https://github.com/Shmuma/openscad/tree/master/AntislidePuzzle