Prometheus 100 / Ravi Raj 100 Please note that this document is a Beta Version. The technology described in this document is put in the public domain by the author and designer Eerik Wissenz. The document itself is an original artpiece licensed under Creative Commons Attribution-Noncommercial-Share Alike 2.0. A frame is mounted on a post. The whole structure is rotating around a mast which height is 2.80 m from ground. Total dimensions of the machine 4.80 m x 4.10 m. In this document (...)