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3D Printing Nerding

3D Print Lithophane Keychains

Useless intro nobody cares about, only made to troll professional kitchen bloggers who write random useless life stuff for SEO purposes, while also improving my site SEO standing:

If you have read my last two posts, you know how much I love 3D printing custom stuff and how much I love trolling people who expect freebies. My newest creation involves a little lithophane keychain, with a photo of Mussolini and Hitler. For unaware people I’m Italian and fascism and nazism are sore points here, to the point it’s considered offensive for some people and going around displaying this kind of stuff is a sure way to get into fights. I’m an huge asshole and I love being it with entitled professionally offended people: you wanted some freebie, you get one you can’t possibly use.

Obliviously you don’t have to be an asshole 100% of the time, friends will love simple cool stuff like this and with Valentine’s Day coming up next Sunday it’s also great present for the loved ones.

Step One Lithophane creation

On this day I will show you the simple settings needed to make such a keychain, with a screenshot like the last time. This time we are using this generator from the same author.

On this page remember to select Framed Keychain Hole Top Left and make it small, my example is 40×35mm, big enough to actually show a picture but small enough to not be cumbersome.

Step Two: 3D Printing

Like for the lithophane Christmas decoration , make sure you print solid. You want:
Good Layer Height: I used 0.2mm in this example for faster printing, I recommend 0.12mm for better quality.
Bottom Layers and infill: set to 999999 and 100%, respectively.
Build plate adhesion: (not shown in the pic) use a brim, you don’t need an huge one if you print along the Y axis. I used 6mm.

Final Step: add a keychain ring

Simple as it is, the print comes with a hole where you can put a keychain ring. Most local and online hardware store will have different sizes in stock, you can find a 50 rings pack for less than 3€/£3/$3.

By Andrea Giorgio "Muu?" Cerioli

Italian developer, designer, maker who loves everything in technology: mechanics, electronics, IT, 3D printing.

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