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a 60 millimetre diameter by 50 millimetre tall cylinder with a very porous texture in the form of a gyroid lattice. The wall thickness of the lattice is thicker at the base and gets thinner and so less dense towards the top. It is 3D printed from sky-blue poly-lactic acid filament. There are some fine hair-like strands bridging some of the voids. Each void is spaced about 8 millimetres apart in each dimension

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a 60 millimetre diameter by 50 millimetre tall cylinder with a very porous texture in the form of a gyroid lattice. The wall thickness of the lattice is thicker at the base and gets thinner and so less dense towards the top. It is 3D printed from sky-blue poly-lactic acid filament. There are some fine hair-like strands bridging some of the voids. Each void is spaced about 8 millimetres apart in each dimension
https://mastodon.radio/system/media_attachments/files/110/860/244/244/978/183/original/f8f929b1e748011d.png

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Neil G4DBN (g4dbn@mastodon.radio)'s status on Monday, 30-Oct-2023 04:35:08 JST Neil G4DBN

First try at printing a gradient-index lens based on a variable wall-thickness gyroid lattice with the lattice surface meshes calculated using MATLAB code, then stitched and repaired, imported into Fusion 360, smoothed and then exported as STL into Prusaslicer and printed in PLA on the MK3S+ in the Prusa Enclosure.

In conversation about a year ago from mastodon.radio permalink