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Arc Overhangs

3D print into thin air using recursive, overlapping arcs.

steven-mccullochSteven McCulloch
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This is A 3D printer slicing algorithm that lets you print 90° overhangs without support material. I hope to turn this into a standard feature in 3D printing slicers.

It works by recursively generating arcs that grow from a printed edge of the model. Then it wraps the arcs with perimeters until the final shape is achieved. This is much better explained by watching a video or scrolling through my Github readme.

updated algorithm.mp4

MPEG-4 Video - 1.58 MB - 12/19/2022 at 04:46

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huge_overhang.mp4

MPEG-4 Video - 20.98 MB - 12/19/2022 at 04:46

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hex.mp4

MPEG-4 Video - 149.33 kB - 12/19/2022 at 04:46

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VID_20220102_140934.mp4

MPEG-4 Video - 4.41 MB - 12/19/2022 at 04:46

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early_work_2.png

Portable Network Graphics (PNG) - 1.81 MB - 12/19/2022 at 04:46

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