Dock assembly - https://e3d-online.zendesk.com/hc/en-us/article_attachments/4402640712721/04b_-_Hemera_Tool_Dock_Assembly.pdf
Drawings - https://e3d-online.zendesk.com/hc/en-us/articles/4402762406161-ToolChanger-Drawings
Github CAD - https://github.com/e3donline/ToolChanger
https://e3d-online.zendesk.com/hc/en-us/search?utf8=%E2%9C%93&query=toolchanger+motor
https://docs.duet3d.com/User_manual/Connecting_hardware/Motors_configuring
https://docs.duet3d.com/Duet3D_hardware/Duet_3_family/Duet_3_Toolboard_1LC
https://forum.duet3d.com/topic/23107/e3d-toolchanger-with-duet-3-hardware-setup
https://e3d-online.zendesk.com/hc/en-us/articles/4402640504081-ToolChanger-Motion-System-PDFs