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8020 is an industrial prototyping extrusion made from aluminium. I used it here to construct a chopper by joining the extrusions with water-jet cut plates of 1/4inch aluminum.
 
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dmitri115 years ago
what program did you use to make the drawings? i have never seen a .dxf file, autocad is .dwg
dirtydevil6 years ago
hi,these don't seem to work on any cad file reader like CAD viewer,and i also tryed 2 more all give an error
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