Embossing Leather With A Pipe Bender And 3D Printed Tooling

Embossed leather belts can be deliciously stylish. However, the tooling for making these fashionable items is not always easy to come by, and it rarely comes cheap. What do we do when a tool is expensive and obscure? We 3D print our own, as [Myth Impressions] demonstrates.

The build is based around a Harbor Freight pipe bender. However, instead of the usual metal tooling, it’s been refitted with a printed embossing ring specifically designed for imprinting leather. The tool features raised ridges in an attractive pattern, and the pipe bender merely serves as a straightforward device for rolling the plastic tooling over a leather belt blank. Once cranked through the machine, the leather belt comes out embossed with a beautiful design.

It’s a neat project, and the 3D printed tooling works surprisingly well. The key is that leather is relatively soft, so it’s possible to use plastic tools quite effectively. With that said, you can even form steel with printed tooling if you use the right techniques.

We’ve seen some other neat leatherworking hacks before, like this nicely-modified Singer sewing machine.

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DIY Automated Printer Kerchunks Out Classic Embossed Labels

For our money, the best label for pretty much any purpose is one of those embossed Dymo-style stick-on labels, the kind with the raised white letters. There’s just something about them — the raised letters just beg to be touched, their legibility is outstanding, they lend an unmatched retro feel to a project, and the experience of creating one with one of those manual kerchunkers is oddly satisfying.

But alas, those manual label makers aren’t what they used to be, as [Andrei Speridião] discovered when his fell apart in his hands. Rather than complain, he automated his label maker and turned it into a computer peripheral.  Dubbed “E-TKT”, the DIY label printer takes the daisy-wheel embossing die from his defunct labeler and puts it under computer control. Rather than the ratchet mechanism of the original, a stepper motor advances the tape, another stepper rotates the wheel to the correct position, and a servo does the kerchunking duty. The process repeats until the label is complete and neatly cut off, ready to apply. An ESP32 runs the mechanism and serves up a web application to compose labels and control the printer. There’s also an OLED display and, of course, an embossed label. Video demo below.

We don’t care what [Bart Simpson] thinks, embossed labels are cool, and this makes them even cooler. And as [Andrei] points out, this is also a neat way around the nasty DRM trick that some companies are foisting on the label-making public. That alone is reason to cheer this project on — but we won’t complain about the beautiful photography and excellent documentation, either.

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