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Pocket-sized Engineering Drawings

With these business card-sized drawing templates in your pocket/wallet, jotting down ideas on a dirty napkin is a thing of the past!

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No matter if it's an idea for a new product, a circuit diagram for your next blinky thing, or a quick sketch for that part you always wanted to 3D-print, you can now instantly write it down while on the go with these business card-sized drawing templates.

No more fumbling for a dirty napkin for visualizing your concept when no proper paper is around!

Any engineer or inventor should always carry a few in their wallet!

Great for:
* circuit diagrams/schematics
* technical drawings
* 3D sketches
* lists or general notes
* anything you can think of!

Standard 85x55 mm business card / credit card size.

// This project is purely for fun, but feel free to use it (I will!), and please share your drawings if you do!

The current design:


The idea arose while working on a new design for my personal business card. While the front is already inspired by technical drawings, I needed an idea for the back side, which so far had the printing company's logo on it as I got them made for free.


I figured it would be nice to leave it mostly blank to be able to add some notes. The first addition was a 5x5 mm dot array to allow for better hand-drawn straight lines.

I guess an isometric grid variant would also be neat for 3D sketches!


As an engineer, I quickly settled on a scaled-down and simplified version of the drawing title block defined by ISO norm 7200.

(Image above by Con-struct [CC BY-SA 3.0], via Wikimedia Commons.)

Some of the fields were removed, others renamed. Creative freedom applies to ISO norms, too! :-)


A frame with a simple 8x5 coordinate system helps when describing or referencing sections of the drawing elsewhere. This might be more useful for A4-size documents and larger, but it is there nonetheless.


I added the symbol for first angle projection, mainly as an aesthetic measure.

  • Source files

    Daniel Rojas04/13/2016 at 18:15 0 comments

    The cards were designed in Inkscape.

    The source SVG file as well as high-res PNG versions will be added as soon as the design is finalized.

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