Pyramids and polyhedrons Workbench

This workbench creates Parameters like radius and side, ... can be adjusted just like with normal parts
 * parametric pyramids
 * parametric polyhedrons: tetrahedron, hexahedron, octahedron, dodecahedron, icosahedron, icosahedron_truncated
 * geodesic spheres (with divisions 1 to 10)


 * Install: use Tools / Addon manager / Workbenches -> Pyramids and polygons to install the macro.
 * Once installed, open workbench Polygons
 * Click on the part of your choise and adjust the parameters to your preferences.
 * More info at Pyramids_and_Polyhedrons (github README)