Reply To: Twisted worktop?

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Benoît Van Noten
27 January 2021 at 9:53 am #698758

To flatten my workbench top, I had no reference flat surface available to test rocking and anyway it would give no other indication than twisting or bowing.

I used winding sticks and a “straight edge”. (I used solely a “short” #4 plane.)
The straight edge would “helicopter” on bumps.
The center of the straight edge would not drag on hollows.
Taking fine shavings on the high spots, finally the straight edge should drag everywhere (placed along, across or diagonally).

The “straight edge” was just an inexpensive 1 m aluminium rule not a certified straight edge. Good enough for my 1.5m long workbench.