Straight Stair - Steel Spine Geometry - Inch
Running points up top of spine, to bottom of treads.
Mark-out
Running points up top of spine, to center of treads (for brackets)
Mark-out
Running Measurements
Vertically -
Lower Floor to top of each tread (Possible landing heights. Blue = middle)

Print, cut and use the diagram as a template to mark top and bottom spine angles, and tread bracket template.
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