Quote Originally Posted by ShaneH View Post
The oversize scaling seems to be a sketchup thing. I find that if I export the stl from sketchup, run through netfabb for repair and 're-export, then import the stl back into sketchup, it's hugely over scaled. So I work strictly one way...SU to netfab to slic3r.

Great tip on setting the contrasting face colours though...learn something new every day.

Cheers.
I find just importing the STL into blender and making sure your Metrics are setup before you export also solves this issue.