The file 'Rotating Gun Cylinder Pen / Pencil Holder (remix From Tmorris9) 3D Printer Model' is (stl) file type, size is 1.6 MB.
I took tmorris9's design and added a hole through the middle and designed a small platform that allows the pencil cup to spin, I also rounded the bottoms of the pen holes.
pencil_cup_remix.stl |
pencil_cup_spinner.stl |