Put your SD card in your computer and click save to file/SD card in the Makelangelo Software.

At the bottom of the save dialog change the Files of Type to GCODE (ngc). Save your file to the SD card.

Eject the SD card and plug it into the robot on the left side of the LCD panel.

Click the dial, scroll down to print from SD card, click again, scroll to the file, and click one more time. Follow the prompts on the LCD panel.

Don't forget to Find home on the robot before starting your drawing! Find home can also be done through the LCD menu.