To be printed as is (there is a play between the parts).
For more please see :
https://grabcad.com/library/layering-ball-__-air-layering-60-70-80-mm-diameter-1
60mm_air_layering_-_layering_ball.STEP | 6.9MB | |
60mm_air_layering_-_layering_ball.STL | 28.1MB | |
70mm_air_layering_-_layering_ball.STEP | 5.7MB | |
70mm_air_layering_-_layering_ball.STL | 30.9MB | |
80mm_air_layering_-_layering_ball.STEP | 3.7MB | |
80mm_air_layering_-_layering_ball.STL | 23.1MB |