I use vinyl trim tape in a color that (hopefully!) complements the color scheme. Here is my Reactor.



And here is a zoomed shot showing that it looks pretty clean, even up close.



If you don't have vinyl trim tape or don't want it to show, you could also use something like Blenderm tape. I use it to seal hinge, gaps and if the surface is clean when applied, it takes an act of God to get it off. It's VERY secure.