The Magnetic Sharpie Sheath

I couldn't stand the thought of tethering my sharpies to a magnet and letting them dangle from the fridge. What is this the middle ages?!

So I designed a sheath that securely holds the cap of a large chisel tip sharpie, then inserted a magnet.

This design is specifically for a LARGE CHISEL TIP SHARPIE. It will not work with any other marker/sharpie design.

You will need a 18mm (dia) x 5mm magnet, which will be glued into the magnet hole. The ones I use are generic hardware store magn