I have these sheets of extruded shapes by Plaststrut. they are styrene and are .025 thick. Each sheet is approx. 15X16 inches.
Portcullis and door, 3 sheets
Large block corners, 2 sheets
Castle Ramparts, 3 sheets
Windows and loopholes, 3 sheets
The whole works for $40.00 plus shipping.
But wait, there’s more.
Signs
Extruded Styrene sheets, .025 X 16 X16
10 sheets available
I can cut them down for easier shipping.
5 bucks a sheet plus shipping
Picture of painted sheet is just to show what can be done with them
Let me know if interested.