3 Commits

Author	SHA1	Message	Date
Pomax	3343284d2d	experimental tangents and normals	2017-04-11 20:38:43 -07:00
Pomax	37f55c0c51	let's unbreak interactive graphics	2017-04-02 22:23:59 -07:00
Pomax	cd9bf5c27a	en sections 31-35	2017-03-15 14:04:54 -07:00