This is a perfect Box for your Bambu Lab Spare Parts. I made all Bambu Lab printer Models to a Lid Design.
You need foloowing Screws to complete it:
Big Box:
230 x 210 x 70
https://makerworld.com/en/models/105260
230 x 210 x 140
https://makerworld.com/en/models/92348
Small Box:
175 x 130 x 110:
https://makerworld.com/de/models/97173
175 x 130 x 70: