Borromean Seifert Surface

 From:  bemfarmer
7682.5 In reply to 7682.4 
Restored two missing triangles in version borromean-unorientableONE. Solid generated after planar and join is now gone.
Corrected version *TWO.csv attached.
Corrected again, 11/1/2015

- Brian

EDITED: 2 Mar 2021 by BEMFARMER