Pentominoes set (With optional "Katamino" Board)

This is a complete set of "Pentominoes", Puzzle pieces consisting of 5 cubes. The goal is to make a complete rectangle using all of the pieces. You can also try to solve smaller rectangles using less pieces. The board .stl uses a design found in "Marbles: The Brain Store" "Katamino", and the goal is to fill the board to the side of the bar using the pentominoes provided with the set.