create dividers of any height, length, and thickness
create connectors for dividers bigger than you can print and join two or more
tight tolerances, but easy to install
no trimming, print to fit
Instructions:
measure your drawer
using openscad or thingiverse customizer, create dividers of the length and height you need
if dividers are too long to print, show the connector and it will be sized to fit the specific divider you customized. This way you can make dividers as long as you want.