Bone Brown PLA is a light, warm brown, the color of aged bone. Use it for fossils and skulls, skeleton props, tabletop terrain and rustic, wood-tone parts. Want a darker brown? See Chocolate Brown. Like all COEX 3D Standard PLA, it's made in our Green Bay, Wisconsin facility from virgin NatureWorks Ingeo 4043D resin (colorant only, no fill
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I like your filament and like that you went with the plastic spools. Bone brown I use on my groots and some dog statues
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Vance · September 23, 2026
COEX filament
I am just getting started in the 3D printing hobby. I have purchased filaments for about 4 other vendors other than you, mostly because of color selection, but I have not been very impressed with their quality and have trouble with the spool tangling a lot and the prints messing up. I like your product and have consistent success with my projects using it. Wish you had more colors and maybe some variegating filaments.