[sdiy] PCB Panels

bloke@blokezero.com bloke at blokezero.com
Wed Oct 10 11:04:12 CEST 2018

I know illustrator will export in DXF which might help

From: rsdio at audiobanshee.com <rsdio at audiobanshee.com>
Reply: rsdio at audiobanshee.com <rsdio at audiobanshee.com>
Date: 10 October 2018 at 09:17:40
To: SDIY <synth-diy at synth-diy.org>
Subject:  Re: [sdiy] PCB Panels  

The best results come from vector art, not bitmap.

I don’t actually know how to export from Illustrator to a vector format that Eagle can import, but I assume that there are a few options to do this.

Rather than use Illustrator (which is a fine tool), I actually build my graphics using the curves, lines, and other shapes that are available directly in Eagle.

This technique solves two problems at once: Vector drawings are perfectly smooth at every resolution, and you won’t run up against the maximum number of entities because you can cover so much ground with simple tools.

Admittedly, it’s not always possible to create an image using vector drawing primitives. I think that Illustrator has some tracing features, but that gets back to the question of how to export Illustrator artwork in a vector format that Eagle can import. If anyone has experience here, I’d be curious to learn (of course, next time I have Illustrator art, I’ll surely search the Eagle support pages because it seems like there should be an answer there).

Brian Willoughby

On Apr 25, 2018, at 12:38 AM, Olivier Gillet <ol.gillet at gmail.com> wrote:
> I export from illustrator to 2400 dpi PNG, then do the PNG to 1200 dpi 1-bit BMP conversion in photoshop after having tweaked the brightness (on the anti-aliased edges).
> At this resolution, I can occasionally get warnings from Eagle that the maximum number of entity is reached, so it might not work for larger panels!
> On Wed, Apr 25, 2018 at 4:47 AM, Danjel van Tijn <danjel at intellijel.com> wrote:
>> @Olivier
>> What is your process for exporting images from illustrator and importing them into Eagle?
>> I have always exported as 300dpi 1-bit bitmaps and then imported using the built in Eagle import tool but the results are pretty bad.  
>> I looked at your Ears files and the imported text/graphics look pretty smooth compared to what my results are normally like.
>> On Tue, Apr 24, 2018 at 3:57 PM Olivier Gillet <ol.gillet at gmail.com> wrote:
>>> If you've given it a shot, where has it worked out for you?  
>>> https://mutable-instruments.net/modules/ears/
>>> https://github.com/pichenettes/eurorack/tree/master/ears/hardware_design/panel
>>> PCBCart, matte black+ENIG  

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