I have created a part from a scan in fusion by simply extruding a square through my mesh that was converted to a solid and then using the split body command to get the contour of the mesh on the bottom of the extruded square. This gives me a nice solid part however the bottom face is full of the triangles from the mesh. When sent to a manufacturer these triangular faces are actually machined into the bottom of the part instead of being a smooth surface. I then tried to use the merge command to merge all of the triangular faces, but this greatly affected the bottom contour of the part. Does anyone know the correct way of getting rid of these triangles to make a smooth face? Is it something I have to do to the mesh first or to the part itself once it is created from the mesh?
How to get rid of triangular faces from mesh on part
If you have a Fusion 360 Subscription License, you can use some of the new Mesh tools to possibly give you a body, from the original STL file, that may suit your needs. Take a look at the Screencast as I demonstrate on a simple model.
John Hackney, Retired
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The solution suggested by @jhackney1972 might work, or not!
The faceted part of your mesh resembles an arbitrarily curved surface, and by definition arbitrarily curved surfaces are not prismatic 😉
I would probably go into Form (T-Splines), create a Face, using Snap Object to that mesh. Then, in Surface, delete all those nasty faceted faces, and use Trim and Extend to make sure all the surface edges line up, and Stitch it all back together. It will be quite tedious, and may take a few attempts, but I think it is possible.
Jeff Strater
Engineering Director
