EventuallytheoriginalRepRapDarwindesignledtofullyassembled3Dprintersnow sold by companies such as MakerBot and Ultimaker that have become popular in many schools and libraries (Thompson, 2014). At the earlier stages of the RepRap project, though, when hobbyists were still experimenting with customized 3D printer designs, they needed3Dmodelstoprint that they coulduse tocompareandtesttheperformance of the 3D printers. Due to this new demand for 3D printable 3D models, the website Thingiverseemerged,whichprovidedaplatformforthosewith3Dmodellingexperience to share their models with others who needed 3D printable content.