Nexus 6 & Anker Qi Wireless Charger Stand - Redux

NOTE: This is for the 90mm diameter Anker Qi charger. Apparently newer versions are now smaller. Thanks, @pbechard, for the heads-up.

This is a remix/redo of my original Nexus 6 & Anker Qi Charger Stand from over a year go:
http://www.thingiverse.com/thing:1158817
Now I have a bit more design and QA under my belt. Plus I wanted to correct some of the shortcomings of my original design:

Sturder
Lip around charger to hold it in place
3 Access holes for the USB cable at the base
Self-Cen