dual-cylinder vaccuum device
We created a setup of two cylinders attached together by their threads and bolted it to a piece of lexan. the only problem is when you create a vacuum the lexan sheet will bend. we'll probably use aluminum instead. the suction cups we have work great on the sides of the boxes, but they are horrible on the top of the box, mostly because the tops crack too easily and the texture is diiferent on the top than on the bottom.
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