Chest with hinges. Everything is in profile print. No need to buy bolts and nuts.
Chest size is 10x10x10cm
Hinges size 5mm you can use metal bolts size m5.
Top part is pritned upside down. Be sure heatbed is really clean before printing top part.
First assemply can be a little rough and hinges can feel too tight but when you finish assembly and open/close chest few times its get smoother.