yep i know about snapping. The referenec lines are for the bay window i'm making for the house above. it's just going to be one trapezium extruded down the height of the house.

and i need loads...

the reason i was using divisions is because it guarantees a straight line. whereas if i make a new object i have to draw it myself and have to manually check the numbers on every corner.

you got it right, that;s wht i want. but can i add a nurbs spline to a polygon?

sorry but can't find this option. where is it? the Maya help file says it's for nurbs and all my objects are polygons :(

all those tools cause the same problem. The only reason i want to create this edge is to draw a curve exactly on it so it's straight (and don't want to do it manually).

is there any other...

Hi. I'm trying to add some horizontal and vertical edges to a face but when i click on the face and click "add devisions" set to linear 4 10, it doesn't do anything.

when i try exponential i get...