Is this 3D model free to download?

Yes, SeeStar S50 Bahtinov Mask is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by MakerWorld. Use the "Download from MakerWorld" 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 Mike Crapo, published on MakerWorld. 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.

SeeStar S50 Bahtinov Mask 3D printable model by Mike Crapo

SeeStar S50 Bahtinov Mask

Source: MakerWorld by Mike Crapo

The SeeStar S50 Bahtinov Mask is a free printable 3D model from MakerWorld by Mike Crapo. This is a Bahtinov Mask that will fit the ZWO SeeStar astrophotography device. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from MakerWorld

1,282 saves Source: MakerWorld Updated 2026-10-13 Print time: 23m Filament: 5 g License: CC-BY-NC-SA · non-commercial ★ 4.9 (63) 845 makes Category: Tools & Workshop

Tags: seestar, bahtinov, zwo

About this model

This is a Bahtinov Mask that will fit the ZWO SeeStar astrophotography device. It allows for checking and fine tuning of focus against a bright star. If you are new to focusing with a Bahtinov Mask, please watch a youtube video on the subject. Note: There are two profiles in this print. One has the Bahtinov Mask using tabs for the friction fit, the other is a full circle of material being used for the friction fit.

Frequently asked questions

Is this 3D model free to download?: Yes. SeeStar S50 Bahtinov Mask is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link above to open the original listing.
Where is the STL hosted?: The download is hosted by MakerWorld, not by Thinger. We link you directly to the original listing by Mike Crapo.
Who made this model?: Designed by Mike Crapo, published on MakerWorld. 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.