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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

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    this is like a cylinder, you need to scale its edges so that it gets thiner towards the bottom, what difficulty have you met? – moonboots Apr 29 '21 at 13:17
  • 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. – Chris Apr 29 '21 at 14:10
  • https://blender.stackexchange.com/questions/111986/simple-way-to-create-a-curved-tunnel-between-two-planes/112004#112004 – Duarte Farrajota Ramos Apr 29 '21 at 16:11
  • 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 – Alexandru Becheanu May 03 '21 at 18:17

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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.

Chris
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Peter
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