Need help to draw dog ear duct joint in Inventor
Below you can find the link to your part. I really hope to find this helpful enough for your presentation... there are some comment on the description. If you have any further queries please let me know...
1. Make sure that you have valid and well structured profiles. Then a surface loft will give you the results
2. Thickness and maybe some fillets will help you make this model more organic let's say... ;P