Pipe Welding downhill is required for many procedures in the oil and gas industry. It helps to start with plate and gradually move to pipe once you have the basics
This plate is placed on a 45 degree to simulate that 4-5 o'clock area of a 5G pipe where things start to sag. Its not true overhead and not vertical either. But is a great practice plate leading to pipe
I ground off the corner of an aluminum cube project to demonstrate a technique for filling a hole. A gas lens cup helped for this task
A Macro Etch test also known as a cut and etch test is a very valuable teaching tool. Its a destructive test but it can verify settings and technique and since you see the results in a matter of minutes, the puddle is still fresh in your mind. Did it penetrate like you thought? One Cut and Etch ...