North:
East:
South:
West:
Top:
Support:
Solid walls:
*STL file is in uncompressed form and slicers have difficuty to read it. Import and export it before use with Blender or similar editor.
Some panels (1a, 3a) may need additional supports if hollow walls are used. Basic structure should print without problems on resin printers.
For additional items, baricades, ladders, etc. Visit my thingiverse.