It's Derrick, not "from Eric". Nothing to do with Detective Derrick, either. (peace of mind) The buckle suggests a drilling derrick over an oil well. ...For my part, I would have rather thought of a Christmas tree somewhat stylized, but hey...
In any case the structure is designed from a stack of Platonic solids with triangular faces: at the base an icosahedron (20 faces) surmounted by one or two octahedron(s) and at the top a tetrahedron (4 faces).
At the top, a sphere with a hole in it allows you to insert the hook on sale in all hobby shops #ANYCUBIC3D
3d model print parameters
For quality: 0.1 mm layer thickness and maximum filling.
Approximately one hour of printing for the smallest loop and 1 hour 20 minutes for the big o...nes, and this for an unbeatable price, ladies and gentlemen, of 8 to 10 cents PLA.
The loops taken in the photos were printed on a discoeasy with pauses to change the filament color.#ANYCUBIC3D