Big Hollow Sphere HD
thingiverse
Wanted to test if my printer could print a big hollow sphere with very thin walls and here it is. I got some interesting waving patterns in the print due to the printer head pushing the sphere around. The result is a very light big ball that flexes a bit in the walls. The model is made with 80K faces to make it really round. Instructions Printed mine on an Ultimaker in white PLA at 0.09mm layer height, 50mm/s, no support and 0.4mm wall thickness at 215 degrees. Took 12h24min to print. Scale the model to the maximum your printer supports and print :)
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