There are modern takes on this idea, with highly efficient (85%) burning cores that also burn the fine particles traditionally present in wood fire smoke, res

There are modern takes on this idea, with highly efficient (85%) burning cores that also burn the fine particles traditionally present in wood fire smoke, resulting in a smoke-less combustion. Plugging https://www.uzume.fr https://www.uzume.fr (site in French) an engineer and indie stove maker that makes neat products starting at €4000 for a stove kit that you build yourself.