3D print quality

[greenwoods1462]

Hello

I have attached two files of two similar models.  One prints very smoothly, the other does not.  I am using the same 3D print command in fusion and not changing any parameters.  But just by looking at the vectors I can see that one is finer than the other.  Is there anything I can do differently?

Many thanks in advance

[TheCADWhisperer · Accepted solution]

I didn't open your files (yet) but the first thing that comes to mind...

Edit: When I opened these - there is no assembly named smooth or rough.

Which one is which (the actual assembly names)?

[greenwoods1462]

i have attached two files, the S Scale boiler is the one that is a problem.  The production assembly comes up fine.  There are a few things to constrain, I am working on this.....

[TheCADWhisperer · Accepted solution]

There are no curves in an stl file - only the straight line boundaries of triangular planar facets.

Increase the number of facets to make "smoother" representation of curved surfaces.