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SLS - Selective Laser Sintering

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SLS (Selective Laser Sintering) is a 3D printing process for rapid protoyping as well as capable of printing usable parts (without the need for tooling) that are durable, light weight, heat and chemical resistant.

The SLS process begins by dissecting a CAD file into layers then the printer spreads a thin layer of powder material onto the powder bed. A laser then follows the design from the CAD file, scans over the powder material and heats the fuses the powder one layer at a time. Once one layer has been completed the powder bed is lowered to make room for the next layer.

This process is repeated until the part has been printed. Powder that is not heated or fused adds support to the printed object and this  excess powder is then reused.

SLS printed objects are strong and durable enough to be used as production parts and can be found in aircraft design, automotive applications, architectural models and art.

SLS Farsoon 3D printer