LaserGrbl - Procedure for engraving tiles.. Credits to.. | ..
July 29, 2019 ·.. Procedure for engraving tiles.. Credits to Selenne Láser - Grabados.. Thanks for sharing procedure with us.. The first thing to do is clean the white tile with alcohol.. Then apply black spray paint and let dry well.. We choose the photo we want to record and open it in laserGRBL.. Invert the image and select 1bit dithering..