YinYang Dice Tower

So this is a dice tower. Based on a yin yang. The two spirals are 33mm diameter, which allow my largest die(29.5 across corners) to fit inside when printed spiral vase with a 1mm volcano nozzle. The big spiral part was designed with SV in mind. The other two pieces can be done however. I sized it with an 8mm gap in the middle for some 8mm or 5/16 threaded rod. The part was optimized for the build volume of my big printer, 300mm square 400mm tall. Ridges on the underside of the tube promote