Hungry Post-It Holder

This is the second item my 9 year old son has designed which he is very proud off. He designed this in Fusion 360 and now that he has seen the benefit it has in designing your own item which can then be 3d printed and used, he has been bitten by the bug. I am constantly being asked if he can use my laptop to design. The post-it dispenser he designed will house the standard 76x76mm post-it. It will require a second hand to help with the dispensing of each post-it. If you have been kind enough to