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Parametric FreeCAD model for 3.5mm banana plug, connector, housing, male and female

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Parametric FreeCAD model for 3.5mm banana plug, connector, housing, male and female - Socket end with 5mm flange on all sides - 3d model
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Parametric FreeCAD model for 3.5mm banana plug, connector, housing, male and female - Socket end with 5mm flange on all sides - 3d model
Parametric FreeCAD model for 3.5mm banana plug, connector, housing, male and female - Plug end - 3d model
Parametric FreeCAD model for 3.5mm banana plug, connector, housing, male and female 3d model
1 Likes2 DownloadsJune 25, 2023


A parametric model made in FreeCAD. Included is also the FreeCAD project. In this project you can:

  1. Choose your connector size, eg 2x3 as in the given example 3d file.
  2. Choose spacing between pins.
  3. Choose the size of your mounting flange.
  4. Choose the offset of the mounting flange.
  5. Choose the number of screws for the mounting flange. You can also generate the socket without a flange. Bullet connectors are a press fit with a lip for positive retainment. Printer clearance can also be adjusted. In theory you can modify parameters to fit any size of bullet connector, but keep in mind that the model is quite clunky and janky, because FreeCAD is a bit of a pain to work with, so fixing some issues is not possible, otherwise the whole model breaks. The model has not been tested as of yet, so it might not work as intended, but the base is there and any shortcomings can be fixed in due time. Also, more plug varieties (eg: 2x5, 4x30, 6x7 etc.) can be generated and uploaded upon request.

PS: NOT made for SLA printing. Trying to insert bullet connectors into an SLA print of this model will likely result in the housing breaking apart.

Edit: V3 comes with some bug fixes.


1 Likes2 DownloadsJune 25, 2023





1 Likes2 DownloadsJune 25, 2023