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Ball Adapter 18mm to 25mm - image

Files (1)

Halbschale.stl
STL
1.1 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.
1 model file
Recommended kit
32g

Based on 25% main infill across listed model files

Material cost
$0.76

Filament only at roughly $24/kg PETG / ASA

Print time
54m–1.5h

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

STL fileRoleSource sizePETG / ASA 20%PETG / ASA 25%100% solidRecommendation
Halbschale.stlPrimary model1.1 MB STL
29g
$0.70
32g
$0.76
69g
$1.66
Print with the flat side pointing downwards as recommended by the designer

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

Mechanical/Functional

Ball Adapter 18mm to 25mm

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Description

I made this to be adapt a video cam coming with an 18mm ball to a RAM mount using a 25mm ball, which is used as a standard mount on a motorcycle. Just copy it so you have 2 and print it with the flat side pointing downwards. With my A10 it came out pretty decent and stable.

Compatible Cars

Universal vehicle fit

This part is marked as universal-fit. Confirm dimensions, mounting points, and clearances on your vehicle before printing.

Updated Jul 18, 2026

Originally published on thingiverse.com by Carsten Schmücker (Carsten1970) · License: CC BY

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