Bullet hole
thingiverse
The problem is not to design it but to slice it. I tried it with cura2.6 and slic3r, but they failed. Cura 14.07 made the job but not well. I had to stop the print afetr the second layer. The result looks better than expected. I put it on a window and it looks very real. Please tell me wich slicer You used for.
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