Unlike the Apprentice trophy, you won't get achievements for each piece. So, you get this for beating all sets of six levels (1-24) in Artisan. If you have any difficulties, you can consult my step-by-step solution for each level here:
http://glowartisan.4shared.com/ or here:
http://sdrv.ms/HEiHyAThere is a spreadsheet there, and it has tabs for each of the difficulty levels. Color outlines/numbers show you which order to draw the colors in. The solutions in the guide will get you gold medals, but you don't need gold medals to get this achievement. You just need to beat the levels.