About this 3D model

Some people have built very complicated solutions for mounting plexiglas walls on a Solidoodle 3 to keep the heat in. All I did was stick magnets to some sheets of plexiglas, which worked fine, until the magnets started to fail. So here's my idea for a super-simple solution. This clip is very small, uses very little filament, and prints fast. (Though I've had mixed results trying to print six at a time -- I only get a few that work and a few that come out mangled -- but you might do better than me.) The downside? It doesn't hold in the plexiglas as airtight as some of you may want. But it holds it in more than well enough for successful printing. I've included a Google SketchUp file for those who want to remix it.