Therma-Tru Smooth-Star Shaker-Style doors and sidelites. A transitional update to the historic Shaker style, new Smooth-Star Shaker-style doors and sidelites feature flush-glazed glass and recessed panels delivering a simple design with broad appeal. Ideal for homes that take design cues from Farmhouse, Prairie and Modern architectural elements, Shaker-style doors and sidelites bridge the gap between yesterday’s styles and today’s trends.