In this excerpt from a Finish Carpentry Expert Forum thread entitled "Big Crown", a veteran contributor answers questions about the best way to keep miters tight in large crown molding profiles.

Throughout the last five years or so, I have installed larger and larger crown much more frequently. The crown is also getting thinner and increasingly more detailed. Do you guys still take the time to cope the big stuff? I find that the joints do not look nearly as good as a smaller coped piece. The MDF is thin and hard to get a clean cut on...

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