Vorwerk VC100 backflow flap

We have a Vorwerk VC100 vacuum cleaner. The backflow flap was broken. Can't find a spare part, so i designed it myself. Print it with TPU. 0.4 nozzle or finer. Test Print works wit 0,8 layer height. Boost MeIf you like my design, I'll be happy if you're considering boosting me. Thank you!