Slim Pen, Bobino knock off

thingiverse

I made this slim pen to replace a broken Bobino Bookmark Pen (great pens but the clips always break). I found that the best way to have a sturdy clip on a thin pen was to just screw a metal clip on, which you can see in the photo. The pen on the left is the Bobino and the white one on the right is the print. It's supposed to fit a D1 refill. I found the best material to print it in was ASA (as compared to PETG, PLA, or nylon).