Color Changing Filaments.ca EcoTough Natural to Purple UV PLA Grey Beard . Posted on March 29, 2019 Filaments.ca EcoTough Natural to Purple UV PLA EcoToughâ„¢ Color Changing PLA – Natural to Purple by UV – 1.75mm Share this:ShareFacebookTwitterPinterestRedditLike this:Like Loading... Tagged filaments, Filaments.ca, Incomplete, UV Post navigation IC3D White PLACheap3DFilaments White PLA Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.