Black nylon plastic with a matte finish and slight grainy feel.
About this Product
This is an MRI of my brain. I converted the DICOM files to a polygon mesh with OsiriX ( http://www.osirix-viewer.com/ ) and then smoothed the mesh with Blender ( http://www.blender.org/ )
Feel free to use this anywhere, but If you use this somewhere, I'd love to know!!!