Remixed letterboard.https://www.thingiverse.com/thing:2358168/files
got the inspiration from https://www.instructables.com/id/Custom-3D-Printed-Letterboard/
Fits the letters from: https://www.thingiverse.com/thing:2358168/files
to make it fit a ender 3 turn off brim, rafts or skirt.
depending on your printers accuracy test print a letter to see if it fits, if thigh scale down 1%

Outline file is only the last 2 layer to print in a bold color and glue to board, you can also set up a pause at layer to swap filament

Creality

Ender 3

0.28

30