Both objects disappearing during boolean operation. in form•Z Discussion Posted May 10 2 hours ago, sjj said: I'm having a world of problems with v9.2.1! Since the covid pandemic I've had to expand the range of items that I work on and now make 3d printed tooling parts. My work flow is to use illustrator to generate the 2d drawings from which to derive the modelled elements in Formz. Man I'm finding it increasingly difficult due to problems within FormZ, trims that won't work (ID = SM.11:)and boolean operations that basically delete both objects which I suspect is due to previous operations causing issues with the model. I've used object doctor to no avail as it's informing of no issues but if you look at the model you can find defects that are then impossible to fix (see attached image)? Any help or work arounds for these kind of issues would be much appreciated. Try using the Object Doctor on the objects before the boolean operation. If that doesn't work, please submit the file to email@example.com for further analysis.