3D FFF Printed with PLA using Lulzbot TAZ 6 for the horn and Lulzbot mini for the waveguide. Layer height was set to 0.2mm for the horn and 0.16mm for the waveguide. Assembly: - Print 2x Horn.stl 1x Wvg Back Down.stl 1x Wvg Back Up.stl 1x Wvg Front Down.stl 1x Wvg Front Up.stl - Assemble with bolts and nuts: Both half-horns Wvg Front Down to Up Wvg Front to Horn Wvg Back Up to Down Wvg Front to Wvg Back Wvg Back Up and Down can be interchanged. Non-printed parts: 10x M3x25 bolts 2x M3x20 bolts 12x M3 nuts Additional work required: Copper coating and taping Additional parts not included: SMA to waveguide adapter