"export the original 2D image from SKP as a TIFF file. In the image export options dialog, set the image resolution to at least 2400px wide (if not higher - Maybe 3600 to 4800 px wide) depending on the level of detail you have in your model. Also, check the box for 'Anti-alias.' Then downsample the image resolution in Photoshop."

"Could you please share the steps you took to achieve those sharp lines at that image size. I tried downsizing a jpeg SketchUp file in Photoshop and only arrived at unsatisfactory results. Do share. :)"

"For best results, you'll need to use photoshop, or some other image editor in order to montage the SketchUp model with the image. You can use SketchUp's photomatch tool to get the correct perspective and field of view before exporting the image to photoshop."

"I've been wanting to create perspective renderings like this one, where the structure is accurately positioned on its real-world site."

"Turned the profile edges from 3 down to 1. then exported at a pretty high resolution (2400 px wide). then downsampled 800 px wide for web (which makes the edges look even proportionally thinner)."