Is this 3D model free to download?

Yes, 3D Postcard Stereograph Viewer 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 3E8, 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.

3D Postcard Stereograph Viewer 3D printable model by 3E8

3D Postcard Stereograph Viewer

Source: Thingiverse by 3E8

The 3D Postcard Stereograph Viewer is a free printable 3D model from Thingiverse by 3E8. This little gizmo is used to view stereoscopic images on a postcard-sized printout. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

101 saves Source: Thingiverse Updated 2026-11-01 License: CC-BY · commercial OK Category: Decor & Art

Tags: 3d image, 3d photography, 3D viewers, cardboard, google cardboard, holmes stereoscope, stereoscope, stereoscopy, stereo viewer, viewer, VRAR

About this model

This little gizmo is used to view stereoscopic images on a postcard-sized printout. The centers of the two images should be 64mm apart for optimal results (that's the interpupillary distance this was designed for). The lenses I used were 35.5mm in diameter Only one place needs glue: the interface between the viewer and the slider. Align the bottom edge of the viewer with the curve of the slider (make sure it's centered) and use strong adhesive to bond them together. Otherwise, just print and assemble... it's that simple! Making your own 3D images is easy and fun! Just take a picture from a left eye's perspective, then the right... put them together and print out (they need to be small enough to fit within the focal range). Put inside contraption and re-live those old experiences like you n…

Frequently asked questions

Is this 3D model free to download?: Yes. 3D Postcard Stereograph Viewer 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 3E8.
Who made this model?: Designed by 3E8, 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.