The file 'Heptagonal Pen Holder 3D Printer Model' is (3mf,stl) file type, size is 273.2KB.
Even if “hexagons are the bestagons”, here is a simple heptagonal pen holder.
The bottom part is detachable and is divided in two sections for pushpins, paper clips or similar things.
heptagon_both_parts.3mf | 145.6KB | |
heptagon_bottom.stl | 143.6KB | |
heptagon_top.stl | 366.8KB |