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[iron_tick]

when i try to use birail 2, it creats nothing


Error: dpBirailSrf1 (Dp Birail Srf Node): First profile does not intersect rail curves. //
// Warning: dpBirailSrf1 (Dp Birail Srf Node): Birail surface not created //
// Warning: You have an empty result since history is on. You may want to undo the last command. //
// Result: dpsBirailSurface1 dpBirailSrf1 //
select -tgl curve4 ;

i used snap to vertices and snaped all relative edit points to the place on profile and rails but didnt work.

heres a pic of the scene

[mtmckinley]

it's the CVs that need to be snapped. Also, unless you only want the square section in the middle, you'll need to snap to the ends of the rail curves.

[iron_tick]

Again you hop to the rescue Mtm, thanks

[iron_tick]

One more question though, can i use birail if my Profiles are closed curves?? and where would i put my rails then?

[mtmckinley]

that would seem more like an extrude situation

[DracoZK]

i found that when i was using the birail tool that i ran into the same problems. i ended up just making sure that all your curves touched either other and that the same/opposite rail or profile curve had the same number of CV's, easiest way, click on the click CTRL+A, look at the spans and make sure they all co-respond to one another

i found this made the world of birailing soo much easier

Kyle