Inverse Kinematics Robot Arm Magna-Doodles The Time For You. 8 Comments . by: Erin Pinheiro. March 24, 2020. ... and one on the back of the tablet to sweep a magnetic bar which “erases” it.

This is referred to as “kinematics”, and can be considered in both the forward and inverse sense. [aerdronix] built a robotic arm build that works in both ways.