Issues converting into stl in 3D slicer

[Getaw_Hassen]

I could not create stl files from CT imaged. Plese advise

[muratmaga]

Read the PDF provided in the this thread

Use a segmentation to create .stl file for 3D printing

Hello, I have been hitting my head against a wall and can’t figure out how to do this. I think there is supposed to be a tutorial on this ( https://www.slicer.org/wiki/Documentation/4.6/Training#Segmentation_for_3D_printing) but the pdf tutorial file has been deleted. I have a segment that has been generated by other software that I am importing. It shows up in segmentations module: [image] It is the red “helmet”, “roughbolusdesign” segment. This segment right now is just air. Ideally …