Shop Lighting #1: Sand Under HARD Light (to see the grooves)

Typical shop overhead lighting is usually soft, which hides shadows and therefore hides sanding scratches.

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Quick tip: When you sand, turn OFF the main overhead lights. Instead, sand under a single hard light - positioned at an angle – so that you can see the sanding scratches much more clearly.

Since doing this, I’ve been able to identify sanding issues before it’s too late.
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I posted a very quick video about this. It’s in a hotel room but the illustration works.
https://youtu.be/rmaMSR1xZL0

-- Keith | Subscribe: https://www.youtube.com/c/KeithsTestGarage