What the best material for 3d printing outdoor furniture – like benches, bins etc

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3D Printing Q&ACategory: TechnicalWhat the best material for 3d printing outdoor furniture – like benches, bins etc
Nishan S asked 2 years ago

Any kind of general direction on this would be great. Looking at something that can sustain exposure to harsh weather -20 to 60 degress celsuis and other external forces.

2 Answers
JamesFitts answered 5 months ago

PETG and ASA are 3D printing materials for outdoor use and durable (hold over time). Both filaments are insensitive to changing temperatures and UV rays. They are perfect to use in extreme conditions without deforming shape or appearance. Thanks to the high resistance to deformation these filaments remain solid in wind and sun. Despite the sun’s UV rays, 3D printed parts made from PETG and ASA do not significantly change or fade color.

Trevor answered 3 months ago

The main disadvantage of PETG filament is its sensitivity to moisture. When I made the 3D print of the chair, using this 3D model as a base, I regretted using PETG. In a couple of months, the surface of the chair had slightly degraded in some spots.

So if you are doing a 3D print of an object that will be constantly outdoors and exposed to rain, I would consider using ASA filament. Also, I’ve heard of polycarbonate and TPU filaments, but haven’t experienced them yet.

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