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Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!
I_am_me

Hilbert curve stereographic projection

by I_am_me Jan 11, 2017
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Oouuh This is really nice!

SLA should also be able to do this. Segerman's original design printed fine with FDM but Hilbert curves are not as self supporting so I bet it would require dissolvable supports at minimum with FDM.

I am very new to 3D printing but not to CAD. I love your project. In theory I should be able to take any figure and start the base drawing similar to figure 1. Then project it in reverse as though it is coming from a single light source (this I believe to be your north point). Then the design on the sphere from this could be drawn from these intersecting. The distance and the size of the sphere could also be determine to a user's preference. Would this be a correct conceptualization of this?

It is indeed, you need to start from your 2D sketch then project it by connecting each of it's edges to the north pole.

Without cross supports, the material will have to be very strong to keep its shape under gravity?

Indeed, but this is still a work in progress. I hope to find a way to put supports without modifying the shadow's pattern. I also need to add a base so it will stand on it's own.