Silica Box with holes for PTFE tube

cults3d

This is a box for silica gel with holes for a 4mm PTFE tube. The reason why I wanted this is because I am using a dry box with sealed PTFE tubes from it to the printer. To minimize moisture coming from the PTFE tube, I glued the start of the PTFE tube to the bottom of the Silica Box. This means that all the air coming from the PTFE tube has to go through the silica box before entering the drybox. The ribs are spaced 1 mm apart, so make sure your silica gel balls are bigger than 1mm. This is also important so the silica won't enter the PTFE tube when there is no filament in it. The hole is off center of the box because I wanted to place the box in the back of the box and as close to the wall as possible.