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OPEN SOURCE AIR PURIFIER
Custom Sprinter Van RV Conversion
Closed triangle , is a good mechanical method, but less good for the design that I wanted. All is rigid, the two threaded rods with spacers involved in tightening the 2 sides.
I weigh 70 kg , I use it from time to time , and it has not yet broken. the wooden plate is slightly thin ( 10mm) , thicker be better effect.
Adaptive wood chairView Instructable »