ArtStation - Mecha Sonic

ArtStation - Sonic 2 - Robotnik Mecha Refined Designs

ArtStation - Watching the stars - Metal Sonic and Robot Amy Diorama

ArtStation - Mecha sonic V2

ArtStation - Mecha Sonic Scrapnik Island - Colours

ArtStation - Turbo Mecha Sonic - Damaged

ArtStation - Turbo Mecha Sonic - Damaged

ArtStation - Sonic Forces Speed Battle : Metal Sonic

ArtStation - Eggman Mecha with Running Sonic

ArtStation - THE GREAT EGGMAN ROBOT - Sonic & Knuckles

ArtStation - Mecha Sonic (Sonic 3 and Knuckles)

ArtStation - Mecha Sonic

Fanart] Mecha Sonic on Behance

ArtStation - Sonic The Hedgehog IDW - Scrapnik Metal Sonic

ArtStation - Scrapnik Mecha Sonic

ArtStation - Mecha Sonic Model (Rendered in Substance Painter and Unity. Also including Wireframe in 3DS Max)