Why won't this slice?

Hi, I'm trying to get this to slice in cura 5.6.0

Yellow block is set as a cutting mesh. Can Cura just not ignore stuff outside of the bulid area?

iso top bottom

I'm open to suggestions on how to cut it outside of cura as well. I tried meshmixer, but the import absolutely destroys the stl stl iso

Thanks!

7 comments

I am not as familiar with cura, but prusa slicer / super slicer have a tool cut any model along a plane into 2 pieces. That seems to be what you want.
I don't think that Cura is smart enough to cut STL files apart like that. My guess is that a program like blender would be best to do this, make a shape the size of your printer's build volume (or slightly smaller), put the part you want to print inside of the shape, then remove everything else.

I'm not familiar with blender but that's the work flow I would approach with.
- Here’s how I would do this in blender:
  
  Import the stl
  
  edit the default cube so it overlaps the part of the stl you want to delete
  
  add a “boolean” modifier to the stl that is set to “subtract” the cube
  
  apply modifier
  
  export as stl
  
  Can even use cylinders to group some circular parts of the model together naturally so that the “glue” points are at the bottom inside the walls where they’re not obvious
  
  @WolfLink @papalonian yeah, something like this but you might try. MS 3D Builder is out is still around our even good old Meshmixer!
  
  Alternatively you could try adding a plane and extrusion this downwards on blender, Meshmixer etc
If you will need to cut the model you can use PrusaSlicer it is really easy to cut models with
Cura can ignore what's below buildplate as long as part isn't too big for X Y axes. For cutting this, I would use 3d builder. Very easy to use. Just open model, and go to modify to cut model

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