About: http://webisa.webdatacommons.org/137445584

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Nuts, bolts, belts, and some other parts are not printable in any practical sense, but I expect substitutes to be designed, such as snap-fit fastening and more creative mechanisms that are not copies of traditional mechanisms.
http://www.w3.org/ns/prov#wasQuotedFrom	marginalrevolution.com