3D Printed Case Assembly: Edge-Mounted Tray in Design and the entire Plate Case can be installed within the body of the 3D Printed Case. + Two-Part Case Design: *Pictured below is the Bottom-Face of both Case Parts + Switch Plate Held by Switches Soldered to PCB has spacers to attach Base Plate. Those Spacers screw into bottom case slab: + Bottom Case Slab Mounts through tabs in Case Top Bezel and is secured with more screws: Overall a very solid, weighty, and great sounding design by P3D.