Files (3)

d20.stl

STL

561.8 KB

jeep_shifter_knob_d20.stl

STL

570.7 KB

jeep_shifter_knob_d20_corner4_w65.stl

STL

799.2 KB

Print guidance estimate

Estimated from part metadata

Print cost & setup estimate

Planning numbers for filament, cost, time, and setup. Treat them as estimates until you confirm the file in your slicer.

3 model files

Typical selected file

28g

Based on 25% main infill for the largest likely-needed model file

Material cost

$0.66

Filament only at roughly $24/kg PETG / ASA

Print time

47m–1.3h

Uses 70 mm/s, 0.2 mm layers; verify supports in slicer

STL file	Role	Source size	PETG / ASA 20%	PETG / ASA 25%	100% solid	Recommendation
d20.stl	Printable file	561.8 KB STL	22g $0.53	24g $0.58	53g $1.27	Flip the model 180 degrees for printing to minimize supports
jeep_shifter_knob_d20.stl	Printable file	570.7 KB STL	22g $0.53	24g $0.58	53g $1.27	Flip the model 180 degrees for printing to minimize supports
jeep_shifter_knob_d20_corner4_w65.stl	Printable file	799.2 KB STL	25g $0.61	28g $0.66	61g $1.45	Flip the model 180 degrees for printing to minimize supports

Saved setup guidance is used for material, infill, support, and per-file recommendation text; editable numbers are planning estimates only.

Knobs/Buttons

D20 Shifter Knob

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3DPrintedCarPart

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Description

I used the awesome d20 model by whosawhatsis to build this shift knob that is now installed on my 2014 Jeep Wrangler. I've included the original d20 model and my OpenSCAD source code so you may adapt this to your vehicle. I've also included some photos that show how I measured my shaft. I recommend flipping the model 180 degrees for printing which works mostly well without supports. Update Nov 1st 2017 I've added a rounded corners version along with a variable to change how much the corners are cut down.