A4 Laser Cut Herringbone Brick Pattern Sheet. MDF. 290mm X 210mm. OO/HO Gauge This listing is for a Laser Cut Herringbone Brick Pattern Sheet. Each sheet measures 290 x 210mm. The sheet has been designed for the HO/OO gauge. The sheet can easily be cut & shaped with a saw or sharp knife. It can also be shaped with sandpaper and/or file Made from Medite, a high quality 3mm thick MDF, plain finish ready to be painted and decorated. These item are laser cut, the laser cutting process produces a brown finish to the edges of the MDF. All laser processing marks can be easily removed by a light sanding or simply painting over. Happy Crafting