Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3460184.

i borrowed the idea from an instructables. https://www.instructables.com/id/Buckminster-Fuller-Mashup-Lasercut-and-3D-Printed-/?utm_source=newsletter&utm_medium=email

included is the hinge and a triangle. you will need to make 9 triangles and the corresponding hinges.

no supports/