Easy clean magnetic Drip Tray

I needed a temporary drip tray until I can find a good deal on a stainless one so I whipped one up in FreeCad (file included).
I was inspired by this one https://www.thingiverse.com/thing:2468817 The rounded corners make it easier to wipe out.
Its 9"x4" and uses 1/4x1/4x.1" (6.4x6.4x2.5mm) magnets super glued into the pockets.
It works well, I just put a paper towel in it to catch the drips.
Feb21/19 Made the magnet pockets a wee bit deeper and added an extra one to each end to make it mor