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I'm pretty new to Blender and I'm stuck right now.

I created a complex 3D Structure with another program and imported the STL file. Now I need to "cut" this object into a cylindrical form. The object needs to be placed in a pipe after 3D printing. The boolean modifier does'nt seem to be the right option. I have tried to invert the difference operation by using a hollow cylindrical mesh but it didn't work. Does anyone have an idea how this is possible?

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  • $\begingroup$ so all the parts of your original object that will pass through the cylinder are supposed to be cut off? $\endgroup$ – moonboots Oct 30 '18 at 11:29
  • $\begingroup$ Yes, exactly. So the imported structure is now in a cubic shape. And it needs to be cut into a cylindrical shape to fit into the pipe. $\endgroup$ – MPii Oct 30 '18 at 11:42
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From what I understand (?) I would do it that way (I tried with intersect with no success)

enter image description here

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  • $\begingroup$ That looks exactly like what I was looking for. But I have successfully confused myself now. Did you use the intersect oder difference operation? Thanks in advance! $\endgroup$ – MPii Oct 30 '18 at 12:20
  • $\begingroup$ Nevermind, it works with the difference operation. Thanks! $\endgroup$ – MPii Oct 30 '18 at 12:27
  • $\begingroup$ Yes, Boolean/Difference ;) $\endgroup$ – moonboots Oct 30 '18 at 12:47

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