Is this 3D model free to download?

Yes, Sarcomere 3D model 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 Naoto Shirasu, 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.

Sarcomere 3D model 3D printable model by Naoto Shirasu

Sarcomere 3D model

Source: MakerWorld by Naoto Shirasu

The Sarcomere 3D model is a free printable 3D model from MakerWorld by Naoto Shirasu. This is a simplified, functional sarcomere model designed for biology and medical education.The model includes Z-discs, thin filaments with actin, tropomyosin and troponin, thick. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from MakerWorld

30 saves Source: MakerWorld Updated 2026-11-05 Print time: 3d 9h Filament: 581 g Multi-colour (AMS) License: SDFL · non-commercial 8 makes Category: Education & Science

Tags: sarcomere, muscle, contraction, actin, myosin, troponin, tropomyosin, titin

About this model

This is a simplified, functional sarcomere model designed for biology and medical education.The model includes Z-discs, thin filaments with actin, tropomyosin and troponin, thick filaments with myosin heads, an M-line, and an optional rubber-band-based titin/connectin representation.The structure is designed to demonstrate the spatial arrangement of sarcomere components and the sliding filament mechanism while remaining practical for FDM 3D printing.

Frequently asked questions

Is this 3D model free to download?: Yes. Sarcomere 3D model 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 Naoto Shirasu.
Who made this model?: Designed by Naoto Shirasu, 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.