Researchers developed a process for printing inexpensive, three-dimensional thermoelectric generators. Feb 8th, 2021 Karlsruhe Institute of Technology With the help of newly developed inks and special production techniques, such as origami, inexpensive thermoelectric generators can be produced for various applications. Andres Rösch, KIT Thermoelectric generators, TEGs for short, convert ambient heat into electrical power. They enable maintenance-free, environmentally friendly, and autonomous power supply of the continuously growing number of sensors and devices for the Internet of Things (IoT) and recovery of waste heat. Scientists of Karlsruhe Institute of Technology (KIT) have now developed three-dimensional component architectures based on novel, printable thermoelectric materials. This might be a milestone on the way towards use of inexpensive TEGs. The results are reported in