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Instead of just gluing and later adding hidden screws, try either dowel joining or biscuit joining the ends on. I’ve used this method for joining boards with great success
The longer, 3 wheel idea is a much better way than trying the 8 wheel idea you mentioned. That is unless your floor is very flat or it will cause it to rack more.
You’re right on what’s going on with the heat causing internal stress and “running” with your score line. Question about your corners. I’m surprised you don’t get more stray cracks when you turn a 90* corner but have you tried using a cool, damp cloth close on the “outside” of the turn? I don’t know if it would make a difference since the crack is stress related but I’d be really curious to know if it helped.
I’ve always loved “A” frame cabins but I’ve never seen one that had a wall that opened rather than just a just a regular door within the “A” side. I’m now sure on the design of my get-away build. Thank you for sharing. You’ve done a great job!
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Actually, having done this more than once or twice myself, threaded or non-threaded, if you’re using a softwood, it grips quite well.
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