Kasey & Shirota - Model making - Cako Facioli
Kasey & Shirota - Model making on Behance
Some mech and spaceship concept sketches, Yigit Koroglu
ArtStation - Some mech and spaceship concept sketches, Yigit Koroglu
Extraordinarily Intricate Cardboard Robots by Greg Olijnyk Feature Embedded Lights and Moveable Limbs