This is a model i made in Fusion 360 of a "Perforated Holder". It can be used in multiple ways, you can make it into a pen_holder if printed 50% smaller. If printed at 100% scale, it can be a mini 15 cm tall Dustbin for your desktop next yo uour laptop or PC. Its very easy to print because there areno supports. Print it at a layer height of 0.2mm with 20% infill. 3 bottom layers & 4 top layers.