Slicers will often highlight a few issues with your part such as if a section of it hangs out in mid-air with no support under it. For example, Shapeways has instructions for people creating STLs from Blender for uploading to them. Some of these steps may vary depending on your slicer or if you’re using a printing service. My printer is the Crealty CR-10 and my slicer is Cura 3.1.0.
I’ll be using the latest version of Blender at this time, version 2.79b. Note that the same may apply to other mesh-type modeling programs too, but as Blender is the only one I’ve used, please share your experiences with other programs in the comments below. These are the techniques I’ve come up with for preparing parts for 3D printing before handing them off to a slicer program. Our already talked about making parts in Blender with his two-part series ( here and here) so consider this the next step. And the real world is far less forgiving, as I’ve found out with my own projects which use 3D printed parts. Slicers require something which makes sense in the real world. 3D models drawn in Blender work great in a computer animated virtual world but don’t always when brought into a slicer for 3D printing.
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