Scalar - Tennis ball damper feet

by 3DModularSystems, published

Scalar - Tennis ball damper feet by 3DModularSystems Dec 18, 2015
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Those are vibration dampers for 3030 aluminum extrusions, specially designed for Scalar family 3D printers.


  1. 18th december: Add link to the demo video

Easy to use:

  • print at least 3 of them (4 are of course better), and place them under your printer chassis.
    Each model has a M6 screw hole so that you can use M6X12mm + TNuts to hold them in place
  • place tennis balls under the feets


  • Reduces noise
  • Reduces low frequecy vibrations
  • Slightly increase print quality
  • Give you moree space to use under the printer (for tools ....)
  • Fun to use


We provide here 2 models:

  • Scalar -Tennis_Ball_Damper.stl: base model, very steady, the tennis balls will have a lot of surface to stick to.
  • Scalar -Tennis_Ball_Damper_simple.stl: Lightweight version that is 30mm wide and will perfectly fit the extrusion profiles edges.


Here is a video of demo : https://youtu.be/63PycTgbg78

All models where designed using Design Spark mecanical, and all the original cad files are included.


3D Modular Systems
Evolutive 3D Printers

You enjoy it and want to help us with a donation: https://www.paypal.me/3DMS

Twitter: https://twitter.com/3dmodularsystem
Youtube: http://www.youtube.com/c/3DModularSystems3DPrinters

Print Settings


Scalar M, Scalar XL


Doesn't Matter


Doesn't Matter






The part is robust by design so you need only a 20% infill for them.

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Hi, would it be possible for you to post the solid works model or whatever program you designed it, I would like to adapt it for use in 2020 aluminium extrusions.

You can check this remix for 2020 aluminum extrusions. (http://www.thingiverse.com/thing:1259268)

you already have the original cad files (.rsdoc).
to be opened using Design SPark Mechanical (check radiospares website: http://www.rs-online.com/designspark/electronics/eng/page/mechanical) => free CAD tool, you just need to register for free and then you are able to use the tool.

Foam Golf Ball Dampers, Folger-Tech, 2020 or V-Slot Rail

Thank you, and please excuse my lack of attention, I hadn't recognised the file extension and didn't bother checking.

No problem! i know that Design Spark is yet to be known ^^.
Enjoy your day!

They are already provided => check .rsdoc
you can open them using design spark mechanical (free CAD tool from radiospares)

Hi, for what size tennis balls is this made?

A Official size Tennisball ranges between 2.57–2.70 inches (6.54–6.86 cm)


I took the official size to make those.
The radius is 33mm in order to expect a ball of about 66mm in diameter (6.6cm)
Even the 6.86 cm should fit in!

Smaller diameter will also fit but you might need to print the full version of it.

The original CAD files (.rsdoc) are provided, so if you need to adapt the model you should be able to!

Thanks. Final question!

It says supports not needed. In what orientation is this printed since I cannot image it beiing printed without supports...

The full one is to be printed as presented on thingiverse.
the "simple" version has to be printed on one of the flat side.
Your printer will be able to print t it this way.
The 8mm groove are 2mm over the void and most printers are able to print them with no support at all.

superrrr ...
very good idea thanks for share