AP Blue Sky Science: What’s the difference between types of 3D printer filaments? Sep 16, 2019 Facebook Twitter SMS Email Print Save Extrusion-based printing, or fused deposition modeling, uses filaments. It takes a raw material and extrudes it through a die to create a long strand. Tags Wire Field59 Blue-sky-science Latest video Hawkeye PK Keith Duncan on his four field goals in today's win over Purdue Hawkeye LB Dillon Doyle on preparing for his first collegiate start in today's win over Purdue Hawkeye DB Matt Hankins on how Iowa players support each other 'Shark Tank' Sneak Peek: Knife Aid NASA's first all-female spacewalk is underway Live: Watch NASA's historic first all-female spacewalk at the International Space Station First Alert Friday Forecast Movies in a Minute: 'Maleficent: Mistress of Evil' & 'Zombieland: Double Tap' Facebook Twitter SMS Email Print Save Most Popular Deere to acquire Brazilian company 'This home deserved to be restored': Couple infuses Davenport mansion with new life Davenport North student charged with assaulting police officer Bettendorf couple charged after man entices minors, sends explicit photos Feds: Moline Osaka workers have been paid View All Promotions spotlight promotion AP What's your Halloween costume style? promotion spotlight AP Could you pass a US civics test?