Today v. 4.3.2. of the tool was released. It enhances the functionality of the zooming. You can now add zoom in/ zoom out buttons and define the number of zoomSteps. You can fine tune the user experience with zoomOutStartsRotation and zoomInStopsRotation options.

Changelog: changelog.txt

Existing Customers:
If you purchased the 3D Rotate Tool no more than 1 year ago (2 years for Enterprise Customers) you are eligible for a free update. Please reqest the update by email (provide your orderId or email used when purchasing the tool).