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My understanding...
The rule in prior years was that the raw fiberglass mat was not allowed to be over 1/8 inch thick. What you built with that mat was up to you. If you layered up 8 layers you could make something an inch thick, for example.
In past years, there was a limit to the area of the mat so the 1/8 inch limit effectively limited the volume of fiberglass used. With unlimited amounts of 1/8 mat, robots are really only limited by the weight of the machine.
One thing we found in past years is that fiberglass SEEMS light but it is difficult to keep it light when you actually use it, between the resin and multiple layers, things get pretty heavy pretty fast.
Good luck.
Joe J.
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