How to shade a sphere with markers

Here's another look at how to shade a sphere, this time with markers. Same principles, different tools. If you would like to support sketch-a-day, use the links below to get your supplies. Copic markers - http://amzn.to/1ysibmj Prismacolor Verithin - http://amzn.to/1Fc9sXP Prismacolor Premier Pencils - http://amzn.to/1IGx18U Copic Marker paper - http://amzn.to/1h6X4Os Music ==== Blip Stream - Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/b...