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Ball Adapter 18mm to 25mm - image

Files (1)

Halbschale.stl
STL
1.1 MB
Print plan
Exact totals not supplied
Print setup plan
Useful setup guidance without pretending STL byte size can predict filament, cost, or print time.
1 model file
Material plan
PETG / ASA

Published material guidance; still check heat, UV, load, and printer compatibility.

Starting setup
25% infill

A planning starting point only; wall count, orientation, and geometry often matter more than infill.

Final totals
Confirm in slicer

Slice the selected model with your final material, orientation, walls, and supports.

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

Reference shelf

Recommended filament for this print

Product references matched to the published material guidance. Confirm diameter, heat resistance, colour, and printer compatibility.

Referenced itemWhat to verifyPrice & availability
PETG filamentAmazon · Affiliate linkAmazon product page for 1.75 mm PETG; confirm colour, spool size, print temperature, seller, and delivery region.Check price at Amazon
ASA filamentAmazon · Affiliate linkAmazon product page for 1.75 mm ASA; use an enclosure and suitable ventilation, and confirm seller and regional availability.Check price at Amazon

Affiliate disclosure: if you buy through an eligible link, 3DPrintedCarPart may earn a commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Confirm product specifications, compatibility, seller terms, and vehicle safety before ordering or using anything. Amazon may redirect you to a nearby supported store; otherwise the original Amazon.com page remains available.

Unsure which one fits? Read the automotive filament guide.

Mechanical/Functional

Ball Adapter 18mm to 25mm

0 downloads48 views0 quality score

Use the part context as a starting point, then confirm geometry-dependent values in your slicer.

Files

1 hosted model file

STL

Material start

PETG or ASA for durability and heat resistance

Saved part guidance

Strength start

20-30% infill for a balance between weight and strength

Saved part guidance

Orientation / supports

verify in slicer

Exact totals

Slice for grams + time

Model geometry and final settings determine both

Vehicle exposure

Cabin/interior use; avoid high-heat zones

Open the STL, 3MF, or OBJ model in your slicer before printing. Exact grams, time, and final support placement come from the actual slice. Test-fit and heat-check the part before installing it in a vehicle.

0

License & use

CC BY
Commercial use allowed
Attribution required

The file license permits commercial reuse, subject to any applicable attribution or share-alike terms. License status does not verify vehicle fitment, OEM rights, design patents, or safety.

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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 Aug 10, 2026

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

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