Most of the mounts and small parts are made from easily worked PVC ... [Mario] used NMB PM55L-048 motors he had pulled from HP printers. These motors have both a wide step angle (7.5 degrees ...

3-D printed parts used in face masks and respirators are among the key focus areas for the effort, in response to the coronavirus pandemic. HP Inc. and partners using its 3-D printers are printing ...