17 Oct
2011
17 Oct
'11
4:44 p.m.
Well, nobody asked, but here's another view<http://gosper.org/artclass2.png> . --rwg On Sun, Oct 16, 2011 at 11:40 PM, Bill Gosper <billgosper@gmail.com> wrote:
This polyhedral puzzle piece <http://gosper.org/artclass.png> is drawn to scale[,] with correct perspective. The eight quadrilaterals designated on the bitmap with "circles" all have normals exactly 45° from vertical (= short box axis). --rwg