Featured image of post Diy Laser Cutter/Engraving Machine Kit - Diy a3 30x40cm laser engraving machine assembling kits lists:

Diy Laser Cutter/Engraving Machine Kit - Diy a3 30x40cm laser engraving machine assembling kits lists:

To engrave cardboard you need to cut into piece of size 2.5 cm x 2.5 cm.