> Like for example would you want the angle that currently shows as 270 degrees to instead show as -90 ?

yes exactly.



> Sorry, I'm not sure if I understand this part - do you mean you're calculating this just on the visual feedback information you get while you > are moving the mouse around?

Yes set the angle that it looks visually right and then change the angel to an even number. Sometimes if I apply an angel it isn't important if it's 32° or 34°. But I don't wont an angel which is 32.354° cause if I build this part it's unlike harder to assemble it.

~nos