Oil drum w/ locking ring

No hardware or glue is needed, the pins are friction fit into the tight link. The dimensions are pretty tight so you may need to scale the pins up or down a few % depending on your printer. There are a handful of lids so it can be used as a storage box, piggy bank, or trash can. For trash use, there's a hinged print in place lid and a ring to clamp the bag in for retention. To use a pet waste bag as a liner just lay the bag out flat, measure the width of the bag, multiply that by 2, then div