Revised: 2/2/2016 © Robert McNeel & Associates 2016 All Rights Reserved. Printed in USA Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage. To copy otherwise, to republish, to post on servers, or to redistribute to lists requires prior specific permission. Request permission to republish from: Publications, Robert McNeel & Associates, 3670 Woodland Park Avenue North, Seattle, WA 98103; FAX (206) 545-7321; e-mail permissions@mcneel.com. Credits: Phil Cook, Simply Rhino Limited, UK, www.simplyrhino.co.uk for the exercises on SmartTrack and Constraints Bob Koll, bobkoll@mcneel.com Robert McNeel for Gumball Puzzle and CPlanes Exercises