How to Install Blum Tandem Drawer Slides with Blumotion - CabinetParts.com. Watch how to calculate drawer box sizes and install Blum Tandem Drawer Slides with Blumotion in both a Framed Cabinet and Frameless Cabinets . Visit us online at www.cabinetparts.com for Tandem accessories like the Tandem Orgaline, Aventos Lift Sytems, Blum Servo Drive and Blumotion…