By 2050, a biologically functional but cosmetic novel body part produced by 3D printing technology will be demonstrated in a human, in vivo. For example: A horn, pointy ears, or an extra thumb.

Created by NathanMcKnight on 2012-02-01; known on 2050-01-01

• NathanMcKnight estimated 80% on 2012-02-01
• Anubhav estimated 20% on 2012-02-02
• gwern estimated 70% on 2012-02-02
• Anubhav estimated 90% and said “http://www.3ders.org/articles/20120203-83-year-old-woman-got-3d-printed-mandible.html Yeah, horns should be easy enough.” on 2012-02-04
• JoshuaZ estimated 80% on 2012-02-05
• Jayson Virissimo estimated 80% on 2012-02-06
• themusicgod1 estimated 83% on 2016-10-10
• pranomostro estimated 85% on 2018-12-15
• Baeboo estimated 73% on 2018-12-15
• CaelumCodicem estimated 80% on 2019-11-06
• galen estimated 85% on 2019-11-07