Impossible 3D-printed bolt and nut

To learn more about 3D-printing please visit: For more information about 3D printers please visit Download a photo studio for your iPhone: Download the STL files and 3D-print your own from: :642942 The “Impossible bolt and nut“ is an amusing 3D-printable two-part assembly with a working thread, where a nut is trapped on a bolt. The single STL file contains the nut placed at a slight distance from th