is it just me, or do you see the possibilities too? slide mailers were originally used to mail medical specimen slides, but as with many mundane materials, the mailers were hijacked by artists and are now being used to make shrines and cards. i think i might try them as packaging, or as a template, or as a frame or a book page, or…
here’s a tutorial on how to make the altered slide mailer pictured below – should give you some ideas…
