Crown 4-1/4" - 57

This concave 4-1/4" - 57 crown measures 4.250" wide by .812" thickness, enabling the pattern to be milled from four-quarter lumber. The cove-like profile is comprised of a 1-3/4" radius cavetto in the center, flanked by a 1/4" wide horizontal and a 1/4" tall vertical line the connects to a 1/2" radius quarter circle on both the top and bottom of the design. The spring angles are fixed at forty-five degrees, these dedicated back bevels set the installed height and projection at an identical dimension of 3" tall and wide. Read our commentary about axial constant positioning for crown bevels. The article will help you dial this profile in axially on the first try when milling this detail provided the machine is axially calibrated.