I need a PRECISION straight-edge, so I made three

Опубликовано: 19 Июнь 2026
на канале: Not An Engineer

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Have you seen the price of precision metrology equipment lately? Neither have I, I've been too busy rubbing these sticks together in an attempt to find flatness.

We've got merch! https://notanengineer.shop

Patreon: / notanengineer

Here's Alex's channel: / @anengineersfindings

And some better reference material on the three plate method, if you're interested:

Accidental Science:

Flat From Scratch, revised - The 3 plates method

Robrenz:

ROBRENZ ATD #1 INTRO, 3 PLATE METHOD

Oxtoolco:

Making flat lapping plates 1