Originally Posted by
BassCustom
Right, doesn't sound like PPI then. Try the following, which will further your understanding of the problem: Program a square or rectangle to cut. When you cut it, do the straight sides have those problems? Program a circle and cut it. Now, do you get the marks? If the square works, it might be the way the cut file is put together that will determine your success with cutting. Curves are handled differently with different software. For instance, a smooth complex curve (say, like a puzzle piece) in Autocad translates to a series of little straight line segments when it gets imported to Corel Draw (sometimes). To the eye, this still looks like your puzzle piece, but to cnc equipment, it might appear as several start and stop segments. Now, you're not working with software as good as this, so the problem might be worse? A straight line should still be a straight line, so there shouldn't be any starting and stopping in the middle of it. If this doesn't explain the trouble, I'm out of ideas and someone who actually has your equipment had better step in to help!