In Layout, always make sure you select a matching scene from the list of available scenes.
Next, match the view scale on you referenced SketchUp viewport the scale on the Skalp section in SketchUp.
Check ‘Preserve Scale on resize.
The principle showed above assumes prior knowledge on how to properly reference your model and scale a scene viewport in Layout.
When correctly configured, a Skalp material will always print razor sharp lines in Layout. (optimized to print at 300dpi, which is the same resolution Layout uses when its Rendering Resolution Output Quality is set to ‘High’‘.