The AngleCan SIMPLEX TechTree is divided into five branches, each with two strands. DOWNLOAD from SpaceDock Requires Module Manager (not included). Inspired by the Historical Progression Tech Tree by KSP Forum User @pap1723 https://spacedock.info/mod/855/Historical Progression Tech Tree?ga=%3CGame+3102+%27Kerbal+Space+Program%27%3E  Licence is as for HPTech Tree = CC-BY-NC-SA http://creativecommons.org/licenses/by-nc-sa/4.0/  All nodes are based on Stock, and around