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BMW E36 Air-conditioning vent knob and arm - image

Files (5)

knob.stl
STL
4.3 MB
long_arm.stl
STL
342.3 KB
long_arm_noplug.stl
STL
412.0 KB
plug.stl
STL
51.3 KB
vent_arm.stl
STL
1.8 MB
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.
5 model files
Typical selected file
57g

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

Material cost
$1.38

Filament only at roughly $24/kg PETG / ABS

Print time
1.6h–2.7h

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

STL fileRoleSource sizePETG / ABS 20%PETG / ABS 25%100% solidRecommendation
knob.stlPrintable file4.3 MB STL
53g
$1.27
57g
$1.38
126g
$3.02
Use a 0.2mm nozzle or lower for the 'long_arm_noplug' version for precise connectors
long_arm.stlPrintable file342.3 KB STL
18g
$0.44
20g
$0.48
44g
$1.05
Use a 0.2mm nozzle or lower for the 'long_arm_noplug' version for precise connectors
long_arm_noplug.stlPrintable file412.0 KB STL
20g
$0.47
21g
$0.51
47g
$1.13
Use a 0.2mm nozzle or lower for the 'long_arm_noplug' version for precise connectors
plug.stlPrintable file51.3 KB STL
10g
$0.24
11g
$0.27
24g
$0.58
Use a 0.2mm nozzle or lower for the 'long_arm_noplug' version for precise connectors
vent_arm.stlPrintable file1.8 MB STL
36g
$0.86
39g
$0.94
86g
$2.06
Use a 0.2mm nozzle or lower for the 'long_arm_noplug' version for precise connectors

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

Knobs/Buttons

BMW E36 Air-conditioning vent knob and arm

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Description

Hi. If you often take out your E36 glovebox and the aircond vent, eventually you'll break off the original. I have made an almost exact copy of the original arms, the vent joint and the knob for you to use. There are two versions of the arm, one with the near original connectors and one to be used with the plug. The near original connectors are a bit hard to print (you'll need to use 0.2mm nozzle or lower) because it needs to be very precise. Even then, it may still break if you remove it and try to attach it again because of the very thin body at the connectors. The plug version is better, just print the plug separately and insert it into the long arm. Then you secure it by melting the other side either with a lighter or with a soldering iron. Then it will never come out again. I printed this in PLA, and it has been fine. But its recommended you use PETG or ABS because the inside of a car can get really hot due to the greenhouse effect. Enjoy!

Compatible Cars

Published Jun 28, 2026Updated Jul 15, 2026

Originally published on thingiverse.com by Azrudi Mustapha (aledrus) · License: CC BY

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