The Quick Reference Card is an easy-to-print guide to all the SketchUp tools and their modifier keys. Keep it handy as you start using SketchUp and you’ll learn to model quickly and efficiently. Here's what it looks like:
Each version of SketchUp and LayOut has its own Quick Reference Card. Choose your operating system and product to download the PDF:
SketchUp 8
LayOut 3
Older versions:
SketchUp 7
LayOut 2