Is there a bounty site for 3D printed parts design?
1. Someone creates a bounty w/ initial #bitcoin pledge & design spec
2. Others can pile up & add to the tip pile
3 Someone proposes a claim to the bounty w/ design
4. Bounty creator accept(/deny)
5. Designer gets paid
6. If time expires or bounty creator gives up, all the pledges are released to depositors
DLCs can do this with lightning
