Open ChemWare: Retort Stand

Retort stands are useful! Chemistry labs require them (https://i.ytimg.com/vi/FcdX8obS98A/maxresdefault.jpg), some people use them for steeping coffee (https://i.pinimg.com/originals/ab/70/98/ab7098ea9709549b3eeb72145bfbbdc1.jpg), and others use a pair of them to hold printer filament (See danielkschneider's https://www.thingiverse.com/thing:28590). This was designed for those who don't want to spend $15-30 for one. I am a cheapskate, and I also wanted something that I could customize. The stand