A ceramic matrix composite article (100), method for forming the article (100), and perforated ply (124) which may be incorporated therein are disclosed. The article (100) includes at least one shell ply (102) forming an exterior wall (104) having first (108) and second portions (110) and defining a plenum (106). An annular brace (112) formed of at least one structural support ply (124) is disposed within the plenum (106), including a first integral portion (114) integral with and part of the first portion (108) of the exterior wall (104), a first curved portion (116) extending from the first integral portion (114) and curving across the article plenum (106) to the second portion (110) of the exterior wall (104), a second integral portion (118) integral with and part of the second portion (110) of the exterior wall (104), a second curved portion (120) extending from the second integral portion (118) and curving across the article plenum (106) to the first curved portion (116), and an overlap (122) in which the first (116) and second curved portions (120) are integral.
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