File is uploaded in the files section. If you want a file made with any particular dimensions and can't get on with openscad, just ask.

On the file just place a "!" at the start of a piece you want to save and export stl in openscad.

From top to bottom.
Full line spacer bar, cell space, single dot, and double dot.
Frame (10 line by 20 cells in this example)
Drawer
Sleeve for just frame
Sleeve for frame and parts drawer