Summary

The photo shows the second iteration, printed using the first iteration. The current model is the third iteration.

Print this upright (its natural orientation) using support material.

This was created using Onshape, and the original file is available here:
https://cad.onshape.com/documents/c00f7134a168422a991443de/w/da561012c18d443c9a2c8ab4/e/933575f4f2304b7cb07aa5d0