I needed the removal tool for a project I was working on but didn't want to drive to the store to buy one. So, I made these for each size. They work great on copper pipe. I have not tried them on other materials.
There are models for these sizes:
If you need a different size than already provided, please let me know and I will make it for you.
Here is a random YouTube video demonstrating how to use the removal tool: https://www.youtube.com/watch?v=0z-xhlnTo30
The author marked this model as their own original creation.