Rhino Templates
IDF – Small-Objects-Inches.3dm
Video Tutorials
Video Tutorials on LinkedIn Learning (formerly Lynda) are great, but require a subscription. A 30 day trial is available.
Introducing Rhino 7
Rhino 7 Essential Training
Jump Start Rhino – basics from McNeel
Rhino Training Manual from McNeel
As an alternative and/or supplement to the video tutorials, the training from the makers of Rhino is quite thorough.