Glad I found this thread, I was just about to start a discussion asking how you all display your completed models.
I've only completed two models since returning to this hobby (and I'm about 75% done with my third), but I'm already running into a problem with finding space to put them when they're done. As you can see from the pic below my two completed planes are currently having to share space on the coffee table with my T-Rex.
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I think this looks absurd. I don't really have any room for a display cabinet, or more shelving. I might have to get a bigger house! D'oh!
Cheers, Mark.