16x16 inch Chessboard

I remixed PerryT's excellent chessboard design for printing in only four sections as opposed to sixteen sections, on the 300x300mm bed of my RaiseN2 printer. I didn't mess with PerryT's "puzzle" connectors, so they are a tight fit here as they were on his original. They went together like a charm for me - very snug but no hammering required.

The tiles and chess pieces are printed in PolyMaker's new [Polysmooth](https://www.kickstarter.com/projects/polymaker/polysmooth-and-polysher-3d-prints-w