After my temporary encoder disk broke and my lovely g27 stopped working again - I decided to make something solid. This beauty printed by SLA plastic with 0.01mm resolution. Used soldering iron
BRASS OPTICAL ENCODER BY CM LASER SERVICE - www.cmlaserservice.com/index.html
Cheap 30 Slot Simulator Steering Wheel Optical Encoder Replace For Logitech New G27(30 Slot) / Driving Force GT | Joom
Amazon.com: For Logitech G25 Old G27 GT5 Driving Force GT (DFGT) Replacement, 60 Slot Steering Wheel Optical Encoder : Video Games
30 Slot Steering Wheel Optical Encoder for New Logitech G27 / Driving Force GT - Etsy
30 Slot Steering Wheel Optical Encoder for New Logitech G27 / Driving Force GT - Etsy