The problem this build tackles is machining a central hub for a mostly titanium mechanical sculpture, and doing it in a material the maker says earns a certain amount of respect. The part was turned on a Haas OL1 and then moved over to a Haas OM-2A with a HA5C rotary axis, where the hub was machined on the 4th axis.
The sequence reads well. A turned piece gets threaded onto a mounting fixture and held with an internal hex fastener, then a spinning tool cuts features under heavy coolant spray. The coolant is a full synthetic with an amber-clear appearance, formulated for titanium and aluminum alloys, and the maker prefers it over milky semi-synthetics that turn unpleasant with time. That seems like a smart call for this kind of material.
Details that stand out include radial threaded ports around the hub's perimeter, an upper cavity holding a compression spring and a brass-colored sleeve, and one conical jet fitting on the machined head. The maker notes the shape resembles a suppressor baffle. Around it, the sculpture takes shape with an internal brass axle, a braided stainless steel wire rope, a wave disc spring, and a micro tension adjustment built from a titanium screw paired with a jam nut.
What remains is the real story: roughly 10 more unique components still need to be programmed and made, and the necessary fixtures and processes still need setup. The project has already consumed a few hundred hours, a figure the maker admits could be a generous guess, and by their own estimate the sculpture is probably not even halfway along.