Modding a Super Famicom cartridge slot to fit USA cartridges. Help/Tips/Advice?

[/snes]

So.
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I've wanted a SFC for a very long time. My birthday is coming up next month, and I'm very much considering buying one for a decent price. I like the actual console design a lot more than the original SNES, the multiple colors are really cool, and I'm a big fan of Japanese culture in general.
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The problem is, I'd like to play my SNES cartridges in it. I don't really want to just leave the top off of the system because I want it to look cool, and I don't really want a simple pin converter that sticks out of the top of the system either. What I'd really like to do is buy a replacement top for the SFC (so that I'm not damaging the original), and cut/sand the cartridge slot so that it will fit the cartridges. I'm also going to replace the cartridge slot door on the SFC with a SNES cartridge door, so that the open space is covered. I'd also like to dye the light grey SNES door a darker grey, like the SFC door.
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I've looked up tear downs of both of the systems, and the slot mechanism/spring seems to work exactly the same. I also don't really think the cutting and sanding down of the slot will be very complicated. I also have all the tools to do so already. And, I've worked with small electronics and plastics enough to be comfortable working on it all.
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My real question is, can anyone offer any advice or tips regarding this process? Has anyone modded a SNES or SFC shell? Can anyone think of any unforeseen circumstances that might mess up my process? Pretty much any ideas or comments of worth would be super helpful, and I would greatly appreciate it! If all goes well, or the process is interesting at all, I'd like to make a video of the the whole process, any problems I ran into doing it, along with the results.
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The one thing I'm definitely not looking for is people attempting to dissuade me from doing this, or incredibly negative comments regarding why I'd like to do it. I can't even begin to tell you how much I don't care.
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Anything helpful would be awesome, thank you!

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