Seconded. A few years back for a school project I had designed and digitally modeled a chess set in 3D. After showing the renders to people, some folks claimed they'd buy an actual physical version. I pursued it for a bit, but all the places I emailed required orders too large for me to afford, or made the one-off prohibitively expensive on a per-set basis. It would be interesting to hear more about how you folks pursued this.