I have created some free, downloadable digital resources for customising your D&D Castle Ravenloft board game experience (or other boxed sets in the series). Included is an .STL format file for 3D-printing your own 4-inch square tile bases with connectors, a rules supplement for a DM-guided game, and a set of custom artwork examples to 2D-print for decorating your tiles.

The project page with download links is here:

https://petervodden.blog/portfolio/castle-ravenloft-board-game-dm-variant-custom-tiles/