Print your universal storage box, with strong closing mechanism, and using 3D printer advantage - closing mechanism is printed as non disassembly part in 1 print.
No special parts needed, just printer and your favourite filament.
Hinges are solved by piece of common filament (PLA, PET better). Just fill into hinges and melt on both sides.
Adap your inside storage box as you wish, just print some splitting planes and insert to final position.
Closing mechanism is realy strong, and no easy breakable.
Printed on Prusa MINI
Filaments tested : PLA
Nozzle 0.4 mm : 0.15mm, 0.2mm
Bottom part print separately (your box can be much bigger)
Into Top part Add closing hinge for print TOP part with closing mechanism in 1 step
No supports needed
The author hasn't provided the model origin yet.