Owner manual

32
Now, draw the bottom plumb line using your inch rise on
thecommonscaleofthesquare,exactlyasyoudidfor
thecommonrafter(seeFigures18and19).Ifyouwishto
conserve wood, adjust the bottom plumb line so that its
lengthisequaltothesteprise.Nextdrawthebottomoor
line by measuring down the bottom plumb line the dis-
tanceofthestepriseminusthetreadthickness.Inourex-
ample,witha1"tread;7.29"minus1.00"givingyou6.29",
or65/16".Usethesquarethesamewayasyoudidforthe
bird’smouthhorizontalseatmark(See7A&7Band19).
FIG. 19 Step Layout.