6 hollow forms

1

I started with a polyline, extruded that and capped it. Copied it over once to give it the doubled-up effect, and joined the two with Boolean-union. Used a sphere to carve out a space in the center using Boolean difference. Finished with some stretches and twists


2

Used Vectorize to create a curve from a puzzle pattern I saw online. I modified the curves slightly, creating gaps between the pieces. This would make it easier to put together IRL and also is where it gets it's 'hollowness' 


3

Made a plus shape using cylinders, created a torus surrounding that. Copied and rotated it into so the plus occupies all 3 axis. Boolean union to finish

4

Similar to 3, I started with a plus shape. This time I put a sphere around it it and removed the difference between the sphere and the plus. Created various forms, and twisted them. Used the twisted forms to carve into the sphere with Boolean difference 

5
 
Started with a thin box. Added a cylinder and got a circular plane with height from the difference. Made hexagonal pyramid, and put it's peak through the circular plane. Put a cylinder running through the middle of the whole thing and removed it's volume from the total. Twists and squeezes for flavour. Ended with another thin box at the bottom because I realized it would probably collapse while printing from without some sort of base

6


tunnel

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