#demonstration

無料

Tiny telescopic hand, for when you really need to make a point.

Printables ⭳ 4.1K ♥ 1.6K

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Basketball Fixed-Center Kinetic Sculpture

MakerWorld ⭳ 17 ♥ 13

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Chain and sprocket mechanism

Printables ⭳ 31 ♥ 9

無料

Chain & sprocket mechanism

MakerWorld ⭳ 1 ♥ 9

無料

Pocket Venturi Tube: Physics Experiment

MakerWorld

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Bobby Pin Demo Print

Printables ⭳ 1.9K ♥ 355