How to Store Disposable Telescopes Without Crushing the Frames

https://compacttelescope.valiantfield.com/posts/how-to-get-better-results-when-viewing-red-cyan-3d-content

How to Store Disposable Telescopes Without Crushing the Frames is easier to understand when the viewing goal is clear. Disposable binoculars and paper telescopes are only one part of the full experience