Tips for my new moc

I need any idea or tip on how could I get the round shape of the wings in my MOC. This is the original image: https://preview.redd.it/39aoovquokfg1.jpg?width=1024&format=pjpg&auto=webp&s=6fd2d447eb5e5d26f1807764afd3292737eaf747 This is the current state of my moc: https://preview.redd.it/lmhpl66gokfg1.png?width=2036&format=png&auto=webp&s=2495a7427db2868c787d229ee6ebcefed28fce3a Any suggestion, idea or corrections will be welcomed Thanks in advanced, folks! submitted by /u/regulator12 ...