So after it's all over and everyone has gone home...
Notice the duct tape wasn't so much holding the panels together as it was placed to stop the wind from pressurizing the shelter through the seams.
Most consider this a good example of a 'destructive test'. You will notice at the end of the video we set it up again by resetting the folds. Therefore we actually consider it to be a 'restructive test'.
This is the end wall that took the brunt of the collapse. The door sill ripped off when the panel was blown clean away from the shelter. We have since added the butterfly fasteners to eliminate this problem. The creases in the panels made during the collapse are outlined for visibility in black marker.
This is not the "bad guy" in the upper left. Its the bad 'guy' that broke first leading to the shelter collapse. The black outlines highlight folds that 'yielded' in the collapse. You can see the creases theoretically weaken the structure, though not practically. The shelter can be used as if new. See the re-setup shelter in the picture below.
We had a tent peg going through the floor at this point. It ripped when the head of the peg was pulled through the floor. Next time we'll put the tent peg through the floor in the middle of a panle, not on the fold of the panel. Its stronger in the middle.
So there it is then.

The UniFold Shelter survives the slings and arrows of everything!

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