Blocklayer

Hi
I have written (free) online stair and roof calculators you may find useful.
They draw a plan of the stairs and roof, so you can see the layout

Stairs
http://www.blocklayer.com/Stairs/StairsEng.aspx
Roof
http://www.blocklayer.com/Roof/RoofEng.aspx

There is also a dovetail template generator here
http://www.blocklayer.com/Woodjoints/DovetailEng.aspx
Enter the dimensions of the wood, and tail setout and it draws the template, ready to print, fold over end of wood and cut through

Square Eye

I've seen these posted on another forum.(rec.woodworking?) They are pretty good reference guides.

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