You know when you cried into that bucket of bolts because you couldn’t find the matching hardware? Those were sad, rough times. It’s almost as bad as when you stared into that bucket of PDM space searching for that one thing, that one guy modeled, that one time, that would never be needed again, but…

Let’s say you’ve pinched off the last sip of your 8th ginger brew, your bladder is full and you need to 3D print a part that looks like a part from your mother’s, 2nd cousin’s custom-made prosthetic. You’ll probably have to model that sucker up yourself, but maybe, just maybe, it has been modeled and uploaded somewhere else…