Citation: Jacobsen, E. (2016), Seismic wave videos combine sight and sound, Eos, 97, doi:10.1029/2016EO060261. Published on 04 October 2016.
MakerBot Thingiverse  is a repository of designs for 3D printable things for use with RepRap 3D printers , humanity’s first general-purpose self-replicating manufacturing machine.
Referenced from: J.M. Pearce, Commentary: Open-source hardware for research and education. Physics Today, November 2013, page 8 .
 Thingiverse http://www.thingiverse.com/
 RepRap http://reprap.org/wiki/RepRap