No elements are attached to the trusses on the outer axles, the trusses move alone. Enter the stability beam from the lower and upper headings as in your other project. In your previous project, there was an example as both a cross section and a joint. It is enough to connect the scissors that do not provide precision to the scissors right behind them. If you pay attention to the purlins you draw with a single purlin, divide them in line with each scissor head or enter them from the beginning so that they are divided for each scissors.
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