About this 3D model
Square polypanels remixed with 40mm capital letters in the free Gentium Book Basic Font. To print a blank multicolor use the connector and body file. For a font tile, use the connector, body and your choice of letter. The explanation mark a question mark require a 4th file for the period at the bottom. Print settings: 0.4mm nozzle, 18mm wide purge block, 0.2 layers height, 100% infill. 9 per bed should yield less than 10% purge waste since you are only doing two colors on any given layer because the letters rest on top of the base.