Art Marker - Takes Copic nibs

My spouse wanted to buy a bunch of copics because she loves the super brush nibs. I've been trying to teach myself 3D design, so I tried my hand at designing a printable marker that will take their nibs. You can use the filling from an all cotton tampon as the filing to hold the ink. You might have to clean the hole just a bit to get the nib in. It should be a tight fit. The nibs don't need to be bottomed out to feed and are a lot easier to remove if you don't push them in all the way. You may a