Gridfinity based Book-like storage. book.scad allows to generate modules with any height and length. Parameters xsize and hsize manages number of units Length = xsize * 42mm Height = hsize * 7 + 4 mm stl files made for xsize = 2 and hsize = 6. These values can be changes to your need. For gridfinity generation gridfinity_openscad project used https://github.com/vector76/gridfinity_openscad

Additional parts required PR-001 Small Door Lock Switch Lock ( https://www.amazon.com/10Pcs-PR-001-Switch-Conditioner-SetBox/dp/B0B62V4GBQ?th=1 )