Stl errors noted in Prusa , solid inspectors says everything shiny. Cleanp3 says fied errors

[DaveR]

@ajg2183

I also did scale it up when working, but scaled it down when exporting to Prusa so that it fits on the printer bed.

Sketchup 2017 loses line closing surface after save

Work with your model centered on the origin and keep it horizontal. When I model for 3D printing I set units to meters and model as if millimeters are meters. That helps to avoid issues with small faces.