No, it's not a problem in tools but in torus primitives! Originally their control points were matching a full torus instead of a planar surface on top and a cylinder on side. Primgen2 now creates proper tori. This one is corrected but not yet official: http://www.ldraw.org/cgi-bin/ptdetail.cgi?s=t04o6250
On the original head, you don't see the issue in LDView if you have primitive substitution "on"
For more details, see http://news.lugnet.com/cad/?n=14809
On the original head, you don't see the issue in LDView if you have primitive substitution "on"
For more details, see http://news.lugnet.com/cad/?n=14809