It is my most advanced formicarium... for now. This design don't have watering station in nest. Water can be supplied thru another modules. Walls are modular and easy to customize. Glass dimensions are 150 x 100 x 1 mm

Tube for humidity supply is 16x10 PP tube with tread like in this link: https://www.equimed.com.pl/katalog/64-probowki-polipropylenowe-z-nakretkami-stojace-niejalowe--z-matowym-polem-opisowym-f-l--medical/