Hello everyone, I'm trying to make a small dvd-based cnc machine that contains two small stepper motors, but in each video on youtube the height between x and y is not specified, here are the links some video to understand if someone has an idea I ask him to answer me and help me ""https://youtu.be/CmDMgwrPLKY""https://youtu.be/">youtu.be/.../ KsZn5lQo1DY""">https://youtu.be/qMWEW3rzd2Q"