This is an annotated version of [the polyhedron here](https://sketchfab.com/3d-models/single-angle-15-simpler-4dfb2ec3d5404b53ad4bbb17375262bd/properties).
The pale-coloured decahedra (which are 135° single angle polyhedra) are [here](https://sketchfab.com/3d-models/decahedron-e7b22b7e08084351acf1987243f045ab).