Just last week Marmoset announced it's very cool Marmoset Viewer
, which is easily the best presentation I've seen for interactively displaying your 3D art. And today they announced their partnership with Ken Kopecky's Hexels
. If you haven't seen it yet, Hexels is a painting software that constrains your brush to a variety of grids, allowing for a quick way to produce pixel art, isometric art and more. Head over to Marmoset's site
to check out more on this.