My First Part
This is the Chain Guide Mounting Plate;
If you're a machinist please make sure you explain to folks that you're not being mean or unfairly critical if you point out that this is not a good example of machining.
*If you know how to use a sewing machine, this is the equivalent of me working away getting better at making cleaner and cleaner passes - not knowing that you are supposed to lower the foot.
Yes, I've done that too.