It's wild how similar woodworking and 3d printing are.
- Get a 3d printer
- Print things for the 3d printer
With woodworking
- Get a table saw
- Make things for the table saw
Now I can mix and match
Model: https://www.printables.com/model/205258-featherboard-with-replaceable-heads-m6
But you make ten coffee tables and you break even. And then it's all profit
I have thousands of dollars worth of equipment and I only give things away, there will never be a break even for me but that's not why I do it.
I look at it differently. I make 1 coffee table that does everything I want/need, actually like the way it looks, & break even, albeit mentally. Same, but different, I guess.