K2 plus universal ventilation adapter outlet 75/79/90/100mm

K2 plus universale ventilation adapter outlet: for pipe sizes: 75mm - ca. 3" : part179mm : part 290mm - ca. 3.5 :" part 2 + ring 90mm100mm - ca. 4" : part 2 + ring 100mmadditionally, a poop chute that does not block the vent (use PLA, for a better fit use e.g. a thin layer of felt in the upper part and do not tighten very hard on the right side)settings:- no support- layer height 0.16mm,- bottom/top surface pattern: concentric- wall loops/tott/bottom surface; 5 layers main part and 3 walls for rings- infill 10-15%you need:16 x m3x6 screws and nuts (or silicone tape if you do not want to dismantle the back)pipe as desiredif you have any problems feel free to ask