Bed Fitted Sheet Holder Remix

This is a remix of bean's fitted sheet holder. I printed their part as uploaded, but I had a little trouble and made a few adjustments.

First, I had a bit of trouble printing the fully-assembled hex key; so I employed a trick I learned from printing Multiboard accessories and split it in half and put a 0.4mm platform on the bottom joining the halves, so I could print it flat and fold it together into the full part. Worked fine.

Second, while the part worked fine in concept, for whatever reason it wasn't ideal for the shape of my mattress; after some brainstorming I decided the best solution was to extend the part of the stand that goes under the mattress, but that was going to be pushing it for the boundaries of my build plate, so I just designed a simple extension that hooks into the stand. I did print it with support, but up to you whether you think it needs it.

With these two changes the part is doing an AMAZING job at holding my sheet on, and I toss and turn a LOT.

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