Specify drawer sizes and a suitable container will be calculated to fill your entire drawer.
Select container to print.
Print these containers in vase mode.
Link container together for additional stability.
Default parameter are for IKEA Alex drawer, split in 5 rows and 8 columns.
For example, if you divide the box according to the proposed scheme, you will need the following containers to fill:
4 - 2x2
3 - 1x2
1 - 1x4
1 - 1x6
1 - 4x2

So, once again. If, for example, you need a layout like this:
+·································+·········+··················+
|···································|···········|····················|
|···································|···········|····················|
|···································|···········|····················|
|···································|···········|····················|
|···································|···········|····················|
|···································|···········|····················|
+·································+·········+··················+

divide the field 1x10. All variants will be generated, from 1x1 to 1x10. You then only take 1x5, 1x2 and 1x3. You can ignore the rest.