There are already a number of threads on this. See:
Note that as of 11 August the 3D Warehouse no longer converts components to version 2018. See:
https://help.sketchup.com/en/3d-warehouse/downloading-model-file-formats
There are already a number of threads on this. See:
Note that as of 11 August the 3D Warehouse no longer converts components to version 2018. See:
https://help.sketchup.com/en/3d-warehouse/downloading-model-file-formats