Rotary OD Lapping: Sine Rolls - We make a soft lap from scrap. We struggle with three different compound choices, and end up where we should have in the first place.

Evaluating Round, Straight, Size - It's not trivial down in the Tenths.

Crash Recovery: Just Breathe - It happened. Nobody died. Nothing broke. We'll do laundry later...

And more...

Links for products/designs mentioned are at pfg.gg/links

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("PFG Stones®" is a registered trademark of Kinetic Precision)