This script adds a thumbnail image, material, material amount, and infill density metadata to a G-Code file in a way compatible with the Monoprice Mini Delta v2 Firmware. Simply put, the display on the printer will show a thumbnail and other relevant information.
- Copy the 
CreateMPMDMetadata.pyfile to the Curascriptsfolder and restart Cura.Help > Show Configuration Foldercan help you locate the folder. - Open the Post Processing Plugin dialog (
Extensions > Post Processing > Modify G-Code) - Add a script 
Create MPMD Metadata - Profit. The script should be executed every time you slice. You can inspect the G-Code file - there should be a block of 
W220commands near the top of the file.