designfor3dprinting By Gretchen Giles, 09/17/2018 @ 6:00 pm= | Full size is 500 × 640 pixels Date Taken: 01-Jan-1970 00:00:00Focal Length: 0mmAperture: f/0ISO: 0 Gretchen GilesBook publicist for Maker Media. Sited: Gretchen Giles Babs & Leon