So i have a disk to make for my dad. He wants to buy a 3d printer and i need to make this shape. I have looked every where over the internet and couldn't find a tutorial to make a shape like this one. Can anyone help me?enter image description here

  • 4
    $\begingroup$ this is like a cylinder, you need to scale its edges so that it gets thiner towards the bottom, what difficulty have you met? $\endgroup$
    – moonboots
    Commented Apr 29, 2021 at 13:17
  • $\begingroup$ yeah, show us what you tried so far. This is not a "we do all the work for you"-platform, but a "we help you with what you made so far"-platform. $\endgroup$
    – Chris
    Commented Apr 29, 2021 at 14:10
  • $\begingroup$ blender.stackexchange.com/questions/111986/… $\endgroup$ Commented Apr 29, 2021 at 16:11
  • $\begingroup$ Sorry I haven't been on the pc for a few days. I was thinking i could make a cylinder to make the base and the make an uv sphere, then i used the boolean modifier but it didn't look like the picture from above $\endgroup$ Commented May 3, 2021 at 18:17

1 Answer 1


Welcome on the forums, to get you started...
I used a modifier to spiral a curve line
next added a modifier to make it solid
next added 4 cylinders by mirroring one.
next i did a boolean operation to subtract the 4 cylinders.

for visibility i altered the 4 cylinders so you see them as wire frame.

Note you can change this file, the modifiers, or in edit mode change the curve or the cylinders.

  • $\begingroup$ nice work!!!!!! $\endgroup$
    – Chris
    Commented Apr 29, 2021 at 17:33
  • $\begingroup$ nice work but i tried doing the same thing you did and its looking not even close to what you did. $\endgroup$ Commented May 3, 2021 at 18:23
  • $\begingroup$ its probaply because of the settings I used to have more in betweens than the default for the spiral.modifier $\endgroup$
    – Peter
    Commented May 3, 2021 at 21:10

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