Circular Air Duct Cover - Parametric

Overview: This is a circular air duct cover. It is parametrically designed: Simply enter the size you require and the models will adjust to your needs. Features include:Built in insect screen 🪰Removable rain screen (optional) ☔️Screw holes (screwing optional 😉) 🔩Seal (optional) How to use: There is only one parameter to change: You need to enter the inner diameter (in mm) of the pipe that you want to plug - proper tolerances are baked into this model, so do not start including them yourself. The model has been tested from 50 mm to 250 mm.There are 3 files, read on for recommendations regarding material and assembly:Air Duct Insert (Main Part): This is the main part and will work on its own. Material should be able to withstand the maximum temperature of your exhaust. My recommendation is white PETG.Rain Cover: This is a cover to protect against water entering the duct system during heavy rains. Also, it looks better than just a hole in the wall. Material should be able withstand the