This is a quick knives holder. It allows to store vertically 7 knives, preventing blades to hit each other (and bite your fingers) in your drawer My version has been laser-cut out of 3mm MDF, but any material should do the trick (you might have to tune the thickness though)Mine is done with a 45W Full Spectrum hobby laser, using 3mm thick MDF. Exact tuning of the laser depends on various parameters, including materials, laser model....