How to compare two CAD files to see what changed?
Here is a quick tutorial how to compare 2 versions of one CAD file.
Version compare works when you have more than one version for one CAD file.
Click a compare button on viewer.
You can now choose different versions you want to compare.
On this model - you can see that the green color surfaces were added and purple one were removed.
You can quickly understands what surfaces changed.