Gothic Geometry

Gothic Geometry Project Plan

Using Euclidea

Using Compass-Rulers

Using GeoGebra

Historic Geometric Constructions

https://c82.net/euclid/book3/#prop1

a brief interlude on Islamic Geometry, showing the website “Pattern in Islamic Art” by David Wade https://patterninislamicart.com/drawings-diagrams-analyses/6/pattern-islamic-art

https://archive.org/details/originalgeometri00hayd/page/n95/mode/thumb

Gothic Arches

Billings Durham Cathedral

Gothic Tracery

William Radford’s 1909 “Cyclopedia of Construction” contains a progression of Elementary-Beginner tracery arches and constructions https://archive.org/details/framingapractic03johngoog/page/n59/mode/thumb/66

Robert Billings’ 1840 “Architectural illustrations, history and description of Carlisle cathedral” Beginner-Intermediate window tracery designs https://archive.org/details/architecturalill00bill_1/page/n135/mode/2up

Robert Billings’ 1842 “Illustrations of geometric tracery, from the paneling belonging to Carlisle Cathedral” intermediate tracery panellings patterns https://archive.org/details/illustrationsofg00bill/page/n42/mode/2up

Robert Billings’ 1851 “The Power of Form Applied to Geometric Tracery” is a compilation of numerous Advanced tracery constructions https://archive.org/details/powerofformappli00bill_0/page/n30/mode/thumb