Dyson DC59 Nozzle Adaptor for Vacuum Bags

This adaptor is designed to allow the Dyson DC59 (and similar) hand vacuum cleaner to be used to suction "space bags" (clothing storage bags). Since these vacuum cleaners have a protruding piece that stops the nozzle from sealing flush with the space bag nozzle, you can't get a proper seal without this piece.
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I have uploaded two designs:
One is a basic nozzle with no special features, which can be used as a starting point for making other adaptors and vacuum tools.
The second h