Burger and Coke Illusionary 3D - GIF
Are you looking for an inspiration of more Animation like this? Check out Subtle Animations Collection on Behance.
App Used - After Effects
Purely done in After Effects, in fact Illustrations too. Basic shapes have been used to achieve illusionary 3D effects. What you see here is a combination of flat shapes. No 3D object or Camera are used.
Animation based on 2.5D concept. Position, Scales and some Path alteration properties have been used.
Hit L if you want to see more Illustration and Animation like this.