Scientists used a 3D printer to determine the 'perfect' penis size

A study recently conducted by academic researchers is putting concerns about penis size to bed — no pun intended The study, led by sexual psychophysiologist Dr. Nicole Prause, used 100 blue plastic 3D-printed phalluses and 75 female participants to determine what women are actually looking for when it comes to penis size. See also: Here's what women say makes a beautiful penis Image: PLOS Online What the University of California Los Angeles and University of New Mexico researchers discovered s...