Robot vacuum bag emptying hole for irobot roomba and others

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I designed this to allow me to reuse the disposable vacuum bags used in my irobot roomba vacuum with automatic dirt disposal. I figured that if there was an easy way to empty the bag, there shouldn't be a need to replace it. In order to install this, you will need to cut a straight line about 2.5 inches long, so you can slide in the part that goes inside (inside_part.stl).

I have been using this for about 3 months without issues.