Coex3D make awesome PLA filament, very round. Ran very good on Makerbot and only $22/kg so great price as well. The Purple Passion is a very cool color. --Hio (talk) 19:18, 16 September 2013 (PDT) PLA filament from Coex3D runs awesome on my Makerbot, and I love the reasonable pricing. Great product Coex, ordering more!