“Rather than trying to match some arbitrary angle, find a version that ... positioning the knee “toward 90 degrees,” finding “more or less” a right angle, and moving “somewhere in ...

For example, an acute triangle will have three angles less than 90 degrees, where as an obtuse triangle will have one angle greater than 90 degrees.

That means the angle is between 90 and 180 degrees. Not bad eh? Lastly, you’re going for an acute angle. That’s one that’s less than 90 degrees. Bad luck. So each time you cut these you are ...