Community Tip - You can subscribe to a forum, label or individual post and receive email notifications when someone posts a new topic or reply. Learn more! X
The first thing to do is to track the information about the downloaded event.
How to get "Download" event information in Security Audit Reporting
Then you can report about list of downloaded CAD documents
To get dimension of attachments you can use this report
Report that lists the size of CAD Documents and their location
Here another way to get size of documents