CNC 3 axis plotter from old DVD’s

Video shows machine movement. Speed multiplied twice. Sound: “Peaks & Valleys” by Metatronaut. Three DVD’s motor plants joined with only few external parts and screws. Chassis frame based on KP7 square. X axis runs over Y axis plane. Construction based on arduino nano clone with grbl firmware. Works via USB with grblControl on host PC. No home|safety switches yet – just one PAUSE button. Stepper motors are microstep controled and powered with Easy Driver. Sample G Code created with inkscape. Working area is little more than 36*36mm. Home of Z axis can be set|adjusted with electric probe. Base plate can be leveled with imbus screws and springs.