Utility Turning - Circular Wedge for Umbrella Base

Got a patio umbrella and didn't want to buy a commercial base.

So I have a piece of PVC secured in the weighted bucket and needed to secure the post inside the PVC. A person who valued their time simply would have cross-drilled a hole and put a bolt through. So instead I turned a circular wedge.

Turned the taper:

Drilled for the umbrella post:

Cut in half:

Et voila