A coating apparatus (100) comprises a coating application unit (108) having a fluid applicator (2308) with a lengthwise axis and a width. The fluid applicator comprises a tip (2902). The tip comprises a face (2904) across the width of the fluid applicator, the face oriented at an angle of from about 15 to about 75 degrees with respect to the lengthwise axis of the fluid applicator. The fluid applicator is configured to rotate around its lengthwise axis (3002). The coating apparatus further comprises a rotation mechanism and an axial motion mechanism, the axial motion mechanism configured to cause movement of at least one of the coating application unit and the rotation mechanism with respect to one another.
