by Nudel_P, published
I wanted a way to make custom sized vacuum bags (space bags?) for storing filament, and decided to try model and print one myself.
Video of it in action here: http://youtu.be/RKW427zzU9I
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It works pretty well, though it is not perfect and takes in some air. The SCAD source is a bit of a mess as usual, so sorry about that.
The rubber seal is cut from a silicone pot holder. It's the same kind gregfrost (and I) use instead of springs to tension the idler on the extruder. http://www.thingiverse.com/thing:17030