3d printing

Decided to attempt a 3d Printed undercurrent Hydroponics system (UC RDWC) , as they are very good systems but just cost a stupid amount of money. It seems that things like the large tank connectors realy drive to cost up. i also seem to have collected a lot of filament that i can...

I'm been using this site for about a month now and I've been really impressed with the welcome I've received and the knowledge that I've gained. I'm retired but have lots of experience in 3D design and would like to offer help to anyone who want's a gizmo or gadget designed for their grows that...