I am working on another stamping die. The part has some wacky mounting and clearance "holes" in it that must be patched. In the patch workbench, I activate the patch command, click on the boundary, and F360 shows me a preview of the patch. Looks good enough to me for what I need. Hit 'OK', the preview disappears and an error appears, 'Compute Failed'. If F360 is able to show me a preview of the patch, how come it can't create the patch it's showing me? Hasn't it already calculated the creation of the surface to show a preview? In other CAD programs I've used it either won't show a preview of something that is going to error out, or it will give me an error before I try to create the surface. Or crash, of course.
Patch Problems
thanks for the design, @Art5 . The behavior shown here is a Fusion bug. The preview and final commit use slightly different logic to determine if the boundary is closed. In this model (presumably because it was imported from other software), there are some tolerances at a couple of the edges that introduce small apparent gaps in the boundary under the tighter criteria. I think the preview is correct, so the bug is in the pickier code. There is a workaround, but it's not beautiful, but it does work:
- create a Base Feature
- do the Boundary Patch in the Base Feature
- exit the Base Feature
- stitch the surface bodies together
and, of course, listen to everything that @TrippyLighting says about surface quality - he knows what he is talking about...
screencast:
Also, this is the same problem discussed here: modeling-error-can-t-create-patch-toolbody
Jeff Strater
Software Architect - Fusion 360
Accepted solution
Yes, it did. I just tried to copy and paste it from another window and at first it seemed like it worked, then that disappeared too. Let me try to screenshot it.
