context: Contrary to the diffusionist theory, it appears that there was simultaneously a structural evolution towards the pointed arch, for the purpose of vaulting spaces of irregular plan, or to bring transverse vaults to the same height as diagonal vaults. This latter occurs at Durham Cathedral in the nave aisles in 1093. Pointed arches also occur extensively in Romanesque decorative blind arcading, where semi-circular arches overlap each other in a simple decorative pattern, and the points are accidental to the design.
question: যখন অর্ধবৃত্তাকার খিলানগুলি একে অপরকে ওভারল্যাপ করে, তখন দুর্ঘটনাক্রমে কী ধরনের নকশা তৈরি করা হয়?
answers: points