AC Plug Dust Cover

I recently purchased an Anker C1000 "generator" (why do they call it a generator when it is just a heavy duty power bank?). One of the intended uses is to power all the crap when "roughing" it on a campout. You know, phones, cameras, drones, fans, flashlights, microwave ovens, blenders, etc. . . Anyway, I wanted to block the umpteen openings that would allow dirt, grit, etc to get into the C1000. I found dust plugs for the USB A ports, USB C ports (which all turned out useless as none of them would fit), the XT-60 charging plug and I intend to get the cheap baby proof plugs for the AC outlets on the front of the thing. The one thing I couldn't find was a cover for the AC port on the side of the thing used to charge it. Since I couldn't find specs on the port/plug/socket I used the photo trace feature of FreeCAD to make my own version. Maybe someone else can use it for some other doodad or whatever so I'm uploading it to prevent anyone from wasting a lot of time looking for one l