Decimated Mona Lisa Lithophane
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pp3dpNL's awesome Mona Lisa Lithograph is a beast to slice. Maybe this is a sign that I need to try out slic3r, but it took me hours to slice and brought my computer to it's knees. Couldn't do another darn thing. So I took it into blender, told it to decimate to 1/10th the polygons, and tried again. Still took hours to slice but at least I could use my computer while it did.