Export tool for SketchUp Pro to export FBX assets for Cities Skylines. The SketchUp exporter insert an extra node in the exported FBX which makes the game not import the geometry. This extension will attempt to patch the exported FBX such that it will load.
It also features a guide grid to help dimension the model correctly.
Quick walkthrough of the export process:
Open source under the MIT license, availible at GitHub: