7 commits

Author	SHA1	Message	Date
Val Erastov	12341bf26c	store coordinate system for a shell and use to derive coordinate system of its faces	2018-10-30 23:05:01 -07:00
Val Erastov	e7cf64f54c	using unified face coordinate system for sketches and datums	2018-10-30 23:03:06 -07:00
Val Erastov	df742b81d6	create/move datum operation	2018-10-30 23:01:57 -07:00
Val Erastov	2f34f9390e	keep sketches of consumed shells	2018-10-04 15:11:48 -07:00
Val Erastov	4fb7aef203	fix plane wizard	2018-09-28 00:00:10 -07:00
Val Erastov	d9743ba672	math for supporting datums	2018-09-28 00:00:10 -07:00
Val Erastov	60878ad77c	introducing model object and decoupling from 3d	2018-07-02 00:12:57 -07:00