Is this 3D model free to download?

Yes, OO Sleeper Spacing Jig is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by zefram, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

OO Sleeper Spacing Jig 3D printable model by zefram

OO Sleeper Spacing Jig

Source: Thingiverse by zefram

The OO Sleeper Spacing Jig is a free printable 3D model from Thingiverse by zefram. Used to reset the sleeper spacing on Peco Code 75 track, may work on others, but I can't test that. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-10-28 License: CC-BY-SA · commercial OK Category: Other

Tags: 00, gauge, Jig, oo, scale, sleeper, spacing

About this model

Used to reset the sleeper spacing on Peco Code 75 track, may work on others, but I can't test that. Sets sleepers to 8.55 mm centres, 25.58".

Frequently asked questions

Is this 3D model free to download?: Yes. OO Sleeper Spacing Jig is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by zefram.
Who made this model?: Designed by zefram, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.