I have seven 2x4s 17" long. I'm going to make a heptagon column that an 8" circle would be covered by wood. ( so I can run it on the lathe and turn it down to 7 3/4" )
What's the angle and inside corner to corner measurement ?
Is there a free web page to do this calculation ?
What's the angle and inside corner to corner measurement ?
Is there a free web page to do this calculation ?