Andalousi "muqarba" system

Here is a collection of files to print and build muqarna style decorations. "Muqarba", - mocárabes in Spanish -, would be the Andalousi version of this genre, found in the Alhambra in Granada (sample in pics) and Sevilla Alcazar, from around the XIVth century. General name in English would be muqarna. The system is some kind of flexible 3D tessellation, mainly used in ceilings and arches. Three main forms in plan and around 8 forms in 3D, with simple combination rules, have the potential to gene