A very simple elbow to connect two ½" EMT conduit pieces together. I used matte black PETG (http://referrals.californiafilament.com/jImkHrXR?smile_ref=eyJzbWlsZV9zb3VyY2UiOiJzbWlsZV91aSIsInNtaWxlX21lZGl1bSI6IiIsInNtaWxlX2NhbXBhaWduIjoicmVmZXJyYWxfcHJvZ3JhbSIsInNtaWxlX2N1c3RvbWVyX2lkIjoxMjI4MjEwMjYzfQ%3D%3D), 0.6mm nozzle, 0.32 layer height, 3 perimeters/walls
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