Chris, could you rename these tori too, for consistency and primitive substitution?
http://www.ldraw.org/cgi-bin/ptdetail.cg...8qunit.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg...4qunit.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg...4qunit.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg...8qunit.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg...4qunit.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg...4qunit.dat