Fall Footprint = Direction , Size
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Mostly for tree falling.
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But in climbing,i've used the 45-45-90 rake trick below accurately enough, repeatedly to:
measure height of tree in back yard if layed across house, where would it reach?/ take measurement.
then measure off usable yard space(box) for laying lengths to fill but not over fill yard.
measure off in sections of full reach of fall if went thru house.
Site rake trick back to tree to see cut lines to confidently take verticals in as few pieces as possible!
Climb, have reference in mind and leadman on ground that sighted with ;
so he can double check if necessary when i'm in air.
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full size:
mytreelessons.com/rl/images/fall_footprint_size.png