Who needs wallpaper?
I love the look of a hand painted mural. It can really make a room come to life. The trouble is, they're very expensive because they can take an artist days or even weeks to complete.
Wouldn't it be great to have a custom mural printed directly on your wall? That's what a Wall Printer could do.
Although I've never actually seen such a device, it would be fairly easy to construct one using the same basic principals as an off-the-shelf inkjet printer.
There are two basic ways this could be done.
1. The easiest system would involve setting up temporary rails on the floor and ceiling that would allow a simple printhead to move back and forth, just like a regular inkjet. The ink would be sprayed directly on the wall, then the rails and printhe
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