I have been interested in mechanical pencils for well over a decade but have never found a stationary holder that best fits my collection. Now that I have a 3D printer I decided to design one myself.
My original design tried to incorporate a small notebook holder on the side but unfortunately it was too large to fit on my print bed (Prusa Mini). I'll add it in a different design down the road. I am glad I was forced to change the design as my original stationary holder was flawed.
The final design: