====== Etching Tank ======
So I decided to make an etching tank, I made this out of 9mm thick [[https://www.tapplastics.com/product/plastics/cut_to_size_plastic/acrylic_sheets_cast_clear/510|premium acrylic]] due to it's chemical resistance.
{{ :build:tank.png?400 |}}
The tank has been designed to have an inner tank with a slot at the top that holds the PCB and the etchant. The outer tank is designed to hold a hot water bath if the etchant needs a hot water bath to accelerate the process.
The design was done in OnShape and can be found [[https://cad.onshape.com/documents/112800db3d22878a78f6a1ef/w/733e61226ed8c1540645938c/e/3d709563eaff94b93af462a8|here]].
The parts were welded together using a [[https://www.tapplastics.com/product/repair_products/plastic_adhesives/weld_on_3_cement/131|type-3 acrylic cement]] and I did try to use a [[https://www.tapplastics.com/product/supplies_tools/plastic_tools_supplies/hypo_type_solvent_cement_applicator/409|small hypo-applicator]] to apply the cement. I also learned what a skilled job that is and how much I have to learn in that area! The good new is that capillary action made up for my lack of skill and I do NOT attempt to wipe any spills.
I was able to fill the tanks with water and there were no leaks so I was good to go.