Could you please tell me what this drawing type and technique are called?

How is this type of skeletal construction called? Architectural drafting, as seen in the photo. these very strictly geometric, precise drawings are made. Not because free, fast hand and here are very straight and very clean geometric sketches. Also, could you recommend any resources, such as books or courses, for further learning?

I understand that shown on photo is related to the cathedral construction theory- that's clear; I mean the method of constructing this framework itself.