50 ml Conical Stands and caps

UPDATE 3: Added another cap, just some minor tweaks.
UPDATE 2: Added another stand. This one is much taller and with five legs, more stable.
UPDATE: The cap I uploaded previously would leak. So, I updated and it leaks no more!!!

My wife is a stem cell researcher and so we have lots labware around the house. One piece of note is the ubiquitous 50 ml conical. They are great little things and they are cheap. Only one problem, they don't stand on their own. So, I whipped these bits up. Two vers