Gears and transmission
Sequential Shifter Barrel Cam
- Bounding box
- 40.0 × 40.0 × 80.0 mm
- Engine
- Precision B-rep
- Parameters
- 10
- Published
- September 7, 2026
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The prompt
I want to build a sequential style shifter for my 2003 wrx with a 5 speed manual transmission. I want the shift patern to be R-N-1-2-3-4-5. The idea is based off the oem shifter but modified to no longer have forward/backward with side to side movement and at the end have a singular backward movement goes up gears and forward goes down gears. I'm thinking a cam with a fork to enable this movement. I have measurements for how far the cam would need to move the lower shifter to enable this.
Parameters
| Name | Value | Range |
|---|---|---|
| Barrel OD | 40 mm | 25 – 70 |
| Barrel length | 80 mm | 40 – 150 |
| Bore diameter | 12 mm | 5 – 14 |
| Groove width | 8 mm | 3 – 12 |
| Groove depth | 4 mm | 1 – 4 |
| Total fork travel R-to-5 | 30 mm | 5 – 50 |
| Gate positions | 7 count | 3 – 8 |
| Drum rotation per gate | 40 deg | 5 – 50 |
| Groove start angle | 0 deg | -180 – 180 |
| Groove smoothness stations | 64 count | 24 – 100 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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