GST 3D is a USA based company out of Miami, Fl and offers some of the best quality and competitively priced PLA+ filament as well as a soon to be released line of ABS filament. They seem to have a large presence on Facebook as well and run a monthly discount of $16.99 per 1kg roll and free shipping when purchasing at least 3 rolls. https://gstech3d.com/product-category/pla/ and of course their Facebook https://www.facebook.com/gst3d/
