50 mL and 15 mL Test Tube Rack

Tired of having multiple racks to keep your 50 and 15 mL conical tubes? How about a rack that simultaneously hold both while keeping them just far enough apart?

I printed my model out of PETG. This is four piece design so that everything can be printed flat without supports. The racks slide into the legs and with a little CA and 24 hours curing, the rack is quite solid--with no side to side or torsional play.