
I've done a crown before and fought with the reverse back method. I have a room with 8 walls at different angles. The angle finder works well on walls that slope up to 100º. I also had to use my digital protractor. One small issue is that the end of the length is now on the bottom. makes corners easier, but your final length isn't measured above, so you'll have to guess where the blade will meet. Start the first cut generously and you can adjust the angle to your liking. It only takes a cut or two to dial it in. I made 20.25°/24°/44° cuts and nailed it the first time. Combined with a crown holder so I can hang as one person. Highly recommended.

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