Aug 2025 Update: I added a parametric model that you can use to customize the model to any dimensions.

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Universal models for 1000+ spacer or washer sizes. No 3D modeling software required. Simply find your desired scaling factors in the included charts and scale the associated model in Bambu Studio slicer. Not intended to be used with the mobile Bambu Handy app.

All the size charts are also included in the attached PDF file.

Instructions:

1. Decide on the ratio of Outer to Inner diameter (OD to ID ratio) and find the associated size chart.
2. Find the scale factor for the Outer and Inner diameters you want.
3. Find the scale factor for the thickness you want.
4. Download the appropriate model into Bambu Studio slicer and use the scale factors to size your model accordingly.

The following Outer Diameter (OD) to Inner Diameter (ID) ratios are currently available:

• 2 to 1
• 2.5 to 1
• 3 to 1
• 3.5 to 1
• 4 to 1
• 5 to 1

Let me know if there are other sizes desired.

If you like this design or if I've saved you some time, please consider giving this model a boost!