Lower crown race for 1.5" tapered forks

**Update:** This has been the only crown race on both of my mountain bikes for about a year now and one has been on one of my wife's bikes for the past several months. It works.

Saw the 1 1/8" lower crown race design by Jacques Dugal (http://www.thingiverse.com/quezz38/about) and thought it was an excellent use of 3D printing technology. Only problem is all of my forks are tapered so need a 1.5" lower crown race. (also known as a "baseplate", at least by Chris King) Such a simple design didn'