If you like this version of Lime Green PETG, it prints very well and is very vivid. Available on Amazon for a reasonable price: https://amzn.to/2TgEvLU
UPDATE: Everything about this build has been updated and improved beyond expectation. Introducing the Mamba Project.https://hypedphoto.com/dronemods/product/mamba-core-xy-stl-kit/
Damn, that is a sexy printer. I might just have to build one.