Reconstructing buildings for reenactment

[richsc]

That is very impressive! I haven't seen those hinges before, but my son says they use them in drama for stage construction, though he thinks they are a bit weak. What are they called? How do they do on uneven ground? I see you're building that on a flat surface (so do I).<br>
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Do you have plywood on both sides of the panels? It would seem so since one seems to serve as a double wall. <p></p><i></i>