ZigZag Pen Holder

Hi, that's my first project that i share!I made this pen holder for my desk.The “Zig-zag” design has already been used by other people on other portals as well, I opted for the octagon so that the shape would show as much as possible. I really like it but I wanted to match it with a much cleaner geometry like the circle, in this way the play of geometry I find it more pleasing.The thickness was chosen to make it thin to view, but very strong, the wall thickness is 1.2 mm = 3 layer wall (0.4