This is what I did for a 4x4’ table. Slats are just bowed and dropped in. ~2.5” spacing.
The hardware cloth is on a frame that can be slid out if needed.
4” pot growing tray for water.
Still working on the CNC part.

Sorta need to see the assembly to make sense of this one.
Below the line, arrow side 1/4” “square groove” , grind
Above the line far side 1/4” fillet
Four corners?

Hope that helps.
Edit Fixed square groove = butt joint

I don’t like the Wazer, it uses a proprietary web based CAM software. If they go bust your done.
Plasma is much cheaper per inch but also doesn’t have the smoothness of water jet.
Really depends on what you need for a final part.

Had to look it up.
Surface Tension Transfer (STT) Pipe Welding.
A Lincoln mig process.

There was a 8 year old 200dx on cl here for 3K, just the machine. 81% of 3,700.
Not for me.

Very nice looking table.
Look forward to following your progress.

The way I read it: Other side, .12 bevel of part, .18 bevel weld Arrow side, .12 bevel of part, .18 bevel weld, combination weld .12 Fillet weld. Wrap ends. Take it with a grain of salt. I'm not a welding engineer but have designed weldments in the past. Also any good engineer will be glad to explai...

Does anyone have an idea how well 6061 will do in contact with the ground?
Fairly wet part of the country.

Just setup a tig button.
Still getting used to it, only issue is there is no feedback for where you are in the amp range.
With a pedal you know if your at 1/4 or 3/4 of the pedal position.