Logitech G27/G29/G920 Sequential Shifter + Knob Extension

thingiverse

Update (26/11/2020): The following parts were updated: SPRING SUPPORT 1; SPRING SUPPORT 2; SLIDING SHAFT. # Update (22/10/2020): The following parts were updated: SPRING SUPPORT 1; SPRING SUPPORT 2; KNOB_EXTENSION. # Update (17/06/2020): The following parts were updated or added: LOGITECH REPLACEMENT PART; SPRING SUPPORT 1; SPRING SUPPORT 2; ACTUATOR 1; ACTUATOR 2; KNOB_EXTENSION. Still want to design two more with different heights, especially for H pattern use. To lock the knob, you will need a M4x40 screw! # Update (03/06/2020): The following parts were updated: LOGITECH REPLACEMENT PART; SPRING SUPPORT 1; SPRING SUPPORT 2. # First Release (02/06/2020): Decided to create a versatile sequential shifter mechanism that can be easily installed on a Logitech G Shifter, depending on the car or game I want to play. A simple rubber band or spring could do a similar job, but this mechanism feels more realistic and robust. Although this is still a work-in-progress design, it's already functional, so it should work just fine. But some optimizations are yet to be done, so further development and community feedback will help with these points: Replacement Part Concentricity; Overall Rigidity (might create a connection between both spring supports); Tolerances; Printability; Design a Knob extender. You should be able to glue the existing boot to this new replacement part. I haven't tried it, so I can't guarantee it will work. 1x13x60 Springs: https://pt.aliexpress.com/item/33004430576.html?spm=a2g0s.9042311.0.0.2742b90a7MZrfI This creation was inspired by aka_rob's design, but taking a different approach.