
Quick answer — Takumi Sakura worked on Code Geass: Lelouch of the Rebellion R2 (Mechanical Design), Made in Abyss: The Golden City of the Scorching Sun (Prop Design), Turn A Gundam (Mechanical Design) and 6 more anime.
Takumi Sakura worked on Code Geass: Lelouch of the Rebellion R2 (Mechanical Design), Made in Abyss: The Golden City of the Scorching Sun (Prop Design), Turn A Gundam (Mechanical Design), Martian Successor Nadesico (Mechanical Design), Code Geass: Akito the Exiled - The Wyvern Arrives (Mechanical Design), Code Geass: Akito the Exiled - To Beloved Ones (Mechanical Design), Accel World (Mechanical Design), Horizon in the Middle of Nowhere (Mechanical Design) and 1 more.