storage idea for the gridfinity system, this is remixed from a design i found on thingiverse but works well for me

printed in pla plus on ender 3v2

o.4 nozzle and 0.12 layer height

no supports needed unless you want to fit magnets then you may need to support the magnet holes underneath

edit 13/3/2023

added new versions that fixes the issue of some of the outer walls not connecting to the dividers