Alter 3D illustrations - Explore a whole new world of 3D characters living in 2D illustrated backgrounds, this is a totally new style that is aiming to reduce the gap between 3D and flat design to create a better immersive design in websites and apps.
Isometrica - 3D illustration constructor with 380+ isometric objects
H A N D Z - Free 3D illustrations of diverse hands gestures
Characterz - Biggest diverse mix and match 3D illustration library
Mesh - Slackoverflow wrapped in a social network
3D Flame Illustrations by Icons8 - Eye-catching 3D illustrations for kick-ass designs