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Stone Gray is our neutral mid gray, and it's the most-ordered gray we sell. It's a natural base for parts you plan to paint, and it suits tabletop terrain and mechanical parts that should look like finished hardware. Want a lighter or darker gray? See Fog Gray and Gunmetal Gray. Like all COEX 3D Standard PLA, it's made in our Green Bay, Wi
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The best filament around
I love Coex filament, it’s my go to filament for my AMS units. The Stone Grey looks amazing and always turns out great!
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Tim · September 25, 2026
Project perfect
Stone gray is working perfectly for the hull of a boat that I’m printing.
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Roger · June 20, 2026
Right on!
As with all the filaments I’ve used so far from Coex… right on par. Ender 3 v1 with bed of 60, 210 temp and a print speed of 70mm… not a single flaw!
Keep it up team Coex!!!