I have been trying to get the shapes wizard to work but it keeps messing up. I wanted to cut a rectangle exterior cut so that the center was proud of the outside. Tried to run it twice going from bottom zero up on entering data and once from top zero going down using neg depth of cut. I starts out great then somewhere randomly it will make a normal cut then the next cut will be twice the depth, or it will make a cut at say -.02 like I want it to the next cut will be -0.03 and the next -0.04 then will finish the pass at that depth. Start the next pass going down from the last lowest cut, run like that for a while then do it again. I have turned everything off in the background on the computor before starting Mach3. The numbers the program shows for the depth are the correct numbers for what I want it to cut when it's running even when it messes up. Checked stepper and lead screw and couplers and they are tight. Never had this problem running any other wizard or program. My software is all licensed. Problem only shows up in the Shapes wizard. Any one have any idea what is going on? Thanks for any help Ron