Open-source linear actuator developed by POINTBLANK LLC, and adapted by Anthrobotics.
The Totem linear actuator uses COTS hardware components, including electric skateboard motors, to maintain a simple design while delivering excellent performance.
Build and design files for the actuator can be found in the hardware folder.
Here's a demo of the actuator in motion:
The Totem actuator was developed by POINTBLANK LLC (https://www.pointblankllc.com/) and adapted for further use in humanoids by Anthrobotics (https://anthrobotics.ca/).