I'm thrilled to report the successful integration of the new j2 motor and the comprehensive testing of the latest Teensy sketch V4.1 alongside HMI V4. My setup has transitioned from AR3 to AR4 MK1, now operating with Teensy 4.1. The robot's performance has impressively improved, showcasing remarkable advancements in precision and repeatability. Immense gratitude goes out to Chris for the unwavering commitment and effort invested in this fantastic project. The journey, beginning with my AR3 in 2021, has been an enlightening experience, and the knowledge I've gained is invaluable. I've noticed the introduction of a new GCODE panel in HMI V4 and I'm very eager to delve into it. Are you in the process of preparing any documentation for this feature? I attempted to create a tool path using Fusion 460 CAM, but ran into some issues with the STL file format. Your insights or any documentation you can provide on the GCODE functionality would be incredibly helpful. Your expertise is always invaluable, and any guidance you can offer would greatly assist in leveraging this new feature to its full potential. Looking forward to your response and any further discussions or insights you might have. Thank you again for your incredible work and support in this community.