raphnet. - Sega Saturn controller to USB adapter (v2)
Authentic Original Sega Saturn Black 3D Control Pad MK-80117 OEM TESTED WORKS | eBay
Classic Game Room - SEGA SATURN 3D CONTROL PAD review - YouTube
After holding the 3d pad for the Saturn it's hard not to feel like the Dreamcast controller was a step back in some ways like comfort, the d-pad, and six button layout.
3d control pad boxed nights into dreams Sega saturn game complete 78.00 8BitBeyond
3D Control Pad for Sega Saturn Review - YouTube
Sega Saturn 3D Multi Controller pad & SS Controller pad HSS-0101 set from Japan | eBay
Evolution of the Console Controller – Sega Saturn 3D Controller (1995) | The Digital Game Museum