Here I will explain to you how to make a DIY Sequential Shifter. It will be quite easy and quick to do. This sim racing shifter is strong, adjustable, easy and inexpensive to build.
There is almost no difference between the 3D printed version and the metal version (laser cut or CNC machined). The assembly will be almost the same. You can use this tutorial if you have opted for a steel/aluminium shifter.
Here is what I will help you achieve:

The CAD File is here : Sim Racing Sequential Shifter

First step, you need to look at this video :
DIY SEQUENTIAL SHIFTER REQUIRED PARTS
Find what you need in the DIY Tools section.
Here’s what you’ll need to build the shifter.
The Screws:

Diameter x Length – Screws | Quantity |
M8x40 | 2 |
M6x10 | 20 |
M6x10 Button Head Screw | 2 |
M8x60 | 1 |
M8x130 Half Thread Rod | 1 |
M6x16 | 4 |
Diameter – Nuts | Quantity |
M8 Lock Nut | 4 |
Diameter – Washers | Quantity |
M6 | 12 |
Diameter x Length – Spacers | Quantity |
M6x20 | 3 |
M6X40 | 6 |
Here are the other parts required:
- Spring recommanded for the 3D Printed Sequential Shifter [Color: yellow, Specification: 18x9x40, Quantity: 2]
- M8 Female Rod end [Quantity: 1] [Option: PHS8 Right thread]
- MicroSwitch [Option: 16mm Lever]
3D Printed Sequential Shifter Parts:

Printed by :

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The Springs and Microswitches:

All required parts:
