APPENDIX BBuilding Instructions for Bots

If you build a unique bot of some sort, someone with a Mindstorms NXT kit might ask you for instructions on building a duplicate. There are numerous methods for demonstrating how to build a robot that you have designed. One easy method is to simply digitally record yourself building it, talking as you go and showing to the camera the pieces you are using and where you place them. I'd like to also introduce to you something called CAD (computer-aided design) software. This type of software allows you to create accurate drawings of your robot designs as well as step-by-step instructions that can be printed or viewed on a computer screen; examples of CAD programs used for Lego creations include LDraw (

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