Green Flag. This project was made for the Transformations studio. Version 2 https://scratch.mit.edu/projects/175276885/ now out. It does not hard code the shapes but stores the parameters in lists. It has documented code "hidden" inside to let you easily add shapes in the Scratch Editor.
A big thank-you to @goch I got the shapes from his project Tangram: https://scratch.mit.edu/projects/146428/ A game of Tangrams can be played where you see a solid design and you try to arrange the pieces to make the exact design. Type "Tangrams" in the Scratch Search Bar to see such projects. See Wikipedia for more: https://en.wikipedia.org/wiki/Tangram