These plywood boxes have grooves on the top and bottom, with which they can connect to- and slide over each other.
You can combine them and build a modular cupboard, and expand by adding extra drawers.
Modular Storage System
Bookcase of Boxes
Lowies van Zanen
Middenweg 239-III, 1098AP Amsterdam
+31 (0)20 4682741 / +31 (0)6 firstname.lastname@example.org – KvK 34325040