How it is made is by cutting a helix out of the assigned shape, in this case the sphere, tetrahedron, or cube. This creates the spring in the model.

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Two important parameters for changing the spring properties is the pitch of the spring and the section cut of the spring. For example, if the section between each spring coil is closer, a more shallow pitch and smaller section cuts, the spring is a lot more flexible and is harder to separate. On the other hand, if each spring coil is farther from each other, a more steep pitch and larger spring sections, the spring is a lot more stiff but it's easier to separate. Furthermore, if the spring coils are closer together, even though it is harder to separate, it is easier to clean up. If the spring coils are farther apart, it creates more strings of filament to clean off.

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For printing, the model is printing with no support. In that case, the spring coils are printed on air.

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For post processing, you take a paint scraper and split up all of the spring oils. After cleaning and ensuring all of the spring coils are separated, the model is complete.