How Our TurnKey™ Glass Is Made | Artisanal Glass Video Mouth-blown architectural glass is the utmost expression of luxury and refinement. Each piece is handcrafted by the skilled glass masters at Glashütte Lamberts of Germany, using centuries-old traditional methods. Glass features the mild waviness and occasional air bubble characteristic of authentic hand- made glass. Lamberts® Blue-and- White Streaky Mouth-Blown Glass