Halo Inspired Legendary Symbol
Currently it is scaled to be about 7.5" (190.5 mm) tall, though you should check scaling on your end to ensure it is the size you'd like.
I've opted to go with a more anatomically correct skull based off of the Sangheili skull seen on Tartarus's pauldron rather than the traditional legendary skull in this variation.
Printing orientation and slicing is up to you.
Please do not share or resell this model.