First model I've made, probably a lot of ways to optimise this for faster print times and to make it more aesthetic but it's a start! Printed in about 10 hours on my ender 3 v2 but could be cut down a lot if you don't mess up the slicer settings like I did..

A desk organiser to hold a stack of notes (100x100x80mm), will also store 5 pens/pencils.