3dprinted 'hollow' form : 3d puzzle

The concept from the pervious assignment I chose to work with:

This was supposed to be kind of a joke about what 'hollowness' is. But I figured for the actual print part of the assignment I should make the pieces form something truly hollow together, as well as making it truly three dimensional

I honestly didn't know where to begin with translating this, so I decided to start form scratch while trying to maintain the concept

I started with a sphere:




And added some planes with which to slice the edges off of it 
 

Then I added a box to the middle of that along with with more planes for slicing 



Using booleanSlice I separated both boxes into 4 quarters with the planes


With these basic shapes, and the use of booleanJoin and booleanDifference, I created a spiral pattern of pegs and holes. I put a cylinder through the whole thing and used booleanDifference to remove the core. Finishing with the stretch command so I could use up the space allotted to me 


Made sure that there were gaps by ensuring the holes were bigger than the pegs. I also had to ensure that the pegs were connected to the flat outside faces because if they were offset from the edge, it would create floating anchors that would need to be supported during the print 


Laying the pieces out for printing


PrusaSlicer test print:










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