being able to have multiple files open in one session would be the bigest thing for me. (I hate having to go back and forth through files) Also a "merge some" command would be nice instead of having to save some and create an additional file that you are going to delete later. Also get rid of undelete bug that keeps bringing back my xform/translate/move geometry. Im sure theres more but cant think of it at the moment. thanks!

Thanks for the replies. Both sound like they will work. Have looked at the untrim surface function but was not sure how to set the dispose option or not sure if it really mattered either way. Another thing about the surface I was trying to trim is it was a flat complete closed circle about .05 wide. I thought that because it was a complete closed circle maybee i had to break or split it first but was not able to find a way to do either of those. Thanks again for the help Terry.

Could use some help with a problem that two of us are having with trimming surfaces to curves. Not sure if it's a bug or if its something were doing wrong. I'm fairly new at this but our other guy is having the same problems and he has been using mastercam for quite some time. We are using Mill8. In many cases I am not able to trim surfaces to curves (keep getting the "unable to trim surface, selected chain does not form a closed boundry" error message) Now i know without a doubt that the chain i am selecting is closed and flat (have checked and triple checked, even squashed to make sure it was a flat 2d contour) Have also tryed every concievable cplane and normal and view, yet sometimes it allows me to trim surfs with single oen chains in other situations. If anyone is familiar with this problem or this operation your help would be greatly appreciated. Thanks, Terry

Terry here from St.louis, Mo. New to the forum and fairly new to mastercam (mill). Have been using the draft packages for some time out in the shop but now I am in the office learning mill 8. We are a mold shop (new and repair work) working with injection and blow molds. Looking forward to gaining more knowledge by keeping up with this forum.