Both parts are now on Parts Tracker, along with one patterned version:
http://www.ldraw.org/cgi-bin/ptdetail.cg.../24196.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg.../24199.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg...196p01.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg.../24196.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg.../24199.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg...196p01.dat