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Go to freewarefiles.com, search for "dxfviewer" and download dxfviewer.
I wonder how it would work with a computer cooling fan. These are in many junk boxes and even if you had to buy one, they are cheap. You could even make a bigger base and use a computer power supply (preferably a mini one). I may have to make a bunch of these just to get some junk out of my computer/hobby room. Gift for someone on the bottom of your gift list? :>) What do you think?