Which is the best 3D D&D map maker? In terms of functionality and comprehensive map making, Dungeon Alchemist is top of my list, though Sigil absolutely aces things where visual fidelity is concerned.

Niantic has been working on its own 3D-mapping technology, but the addition of 6D.ai’s technology and people could push its efforts far down the road in terms of accuracy and completeness.

Patrick Cunningham is CEO of Blue Marble Geographics, which makes map-making software. The Hallowell company is moving its software development hub to Brunswick, with plans to expand the staff ...