More Internal Structures ...
thingiverse
Here are some regular patterns to be used as infill and internal structure for 3d models using OpenSCAD. Version 1: Cone tubes This structure consist of separate tubes with double cones. The tubes are arranged rectangular. Version 2: Sphere tubes This structure consist of separate tubes with spheres. The tubes are arranged hexagonal. The calculation is time intensive. Version 3: Octahedrons My favorite structure consist of linked octahedrons. The octahedrons are arranged rectangular. The wall size is at minimum.
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