simple 3d printed device to operate manual ventilator —

Founded simple 3d printed device to operate manual ventilator models & stl files for printing
Cube
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16cell
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24cell
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Sphere Sphere
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Dual polyhedra
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Dual polychora
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Geodesic spheres
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Geodesic domes
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Ball joint chain
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Polygonal torus
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Eight cubes
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Klein quartic
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Trefoil knot
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Saddle frame
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