Support for filtering water with a sponge

This is a support to hold a sponge to be used as a filter. Put a dish-washing sponge on the niche and attach a hose on the other side. Just siphon the water through the hose and it will be filtered by the sponge. Afterwards, the sponge can be easily washed and reused.

I designed it to be printed without support. Despite the obvious bridging problem on my print, it was good enogh to fulfill its purpouse.