mathematical object with 6 openings —

Founded mathematical object with 6 openings models & stl files for printing
Geodesic domes
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Klein quartic
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Trefoil knot
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Saddle frame
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Helicoid frame
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Laptop stand
sysys
Celt
peridot
Mask
domiaqui
Tesseract
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5cell
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Cube
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16cell
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24cell
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Sphere Sphere
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