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Apple secures patent for triangular tessellation 3D printing method

Written by Daniel van Herck :: [Monday, 29 October 2018 08:34]
Created Monday, 29 October 2018 Hits 361 views

Apple was granted a total of 46 patents today, including a patent for a 3D printing technology that uses triangular tessellation. The patent, which was initially filed in 2014, describes a process invented by computer scientist Michael R. Sweet which utilizes a triangular infill pattern to produce stronger, more efficient 3D printed models.

According to the patent description, the triangular tessellation 3D printing method proposed is meant to enable faster print speeds and to reduce the amount of material used for a given part. This is achieved by using a “triangle support pattern” (or triangular tessellation) print head motion instead of a circular print head movements, which are more or less standard in existing 3D printers.

In short, the patent describes a 3D printing process wherein the print head extrudes material onto a print bed in a triangular tessellated pattern. Unlike many common infill patterns which are constant throughout a since piece, the triangular pattern would vary in size or density. For instance, the outer edges of a part would be made up o smaller triangles, while non-edge portions could have larger triangular tessellation (thus reducing material consumption.)

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