Shown is a mold workshop in Rwanda, wooden molds at the right, for the bricks of the insulating rocket stoves. 

Wooden devices are shown here, for work of students here at the Ceramic College of  Alfred University.  Multiples of the devices include wooden molds of insulating rocket stoves as well as turning devices for candle water filters.  These devices are for likely, upcoming workshops in both East and West Africa, as well as the reservations of native Americans.  ​