This is not a true kackelofen or masonry heater, but the massive group of stones surrounding the woodstove demonstrates how masonry contributes radiant heat. A cool example.
My Lopi Endeavor woodstove. Hearth/mantel/stone by me! Stove by the pros Hearth height for Mike to build
For the Home Corner pellet stove. Great idea to what to do when you want to place a stove into the corner of a room