Printable led matrix display. In the foot of the display there is a slot where a small circuit board can be fitted.In the images the display shows the temperature in Celsius. The bottom two rows indicate fractional degrees, each led represents 1/16 th of a degree.To doEdit the open scad file to your likings. At the very least set number of rows and columns of leds you want to have.Print the display. I used 0.2 mm layer height and 30% infill.Populate with leds, and solder.