Hello I have a problem of "perp frames". I want to make rhino fonction of "orient perp to curve" but some time the ojjet is flip bad normal direction.How to fix the normal direction to Z?
thank you for your help. http://grasshopper3d.googlegroups.com/web/Sweep+1+rail.JPG? http://grasshopper3d.googlegroups.com/web/sweep+1+rail.3dm? http://grasshopper3d.googlegroups.com/web/sweep+1+rail.wrm?
