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RE: Open Source or Inexpensive CAD/Drawing Program
To: CRTech <crtech@crtech.org>
Subject: RE: Open Source or Inexpensive CAD/Drawing Program
From: Nathaniel Steele <nathaniel.steele@icloud.com>
Date: Fri, 14 Sep 2018 12:00:03 -0500
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I always heard that called "rats nest" .

On September 14, 2018 11:20:28 AM "Allard, Mark G" <MGAllard@unwsp.edu> wrote:

I like the sound of that.
Thanks for the tip.
Back in the late '80's, I remember learning a little about Gerber drill tapes.
Was there something called spider layout or the like?
The purpose was to be able to drag connected parts around a drawing.
The object was to minimize congestion between connections and devices.
Mark A

-----Original Message-----
From: Lamar Owen <lowen@pari.edu>
Sent: Thursday, September 13, 2018 22:34
To: CRTech <crtech@crtech.org>; Dan Grimes <dangrimes@sosradio.net>
Subject: Re: [CRTech] Open Source or Inexpensive CAD/Drawing Program

On 09/07/2018 07:08 PM, Dan Grimes wrote:
What do you all like to use for making wiring drawings that is
open-source or low cost and efficient to learn and use?
I'm learning to use KiCAD myself, which is designed for schematic capture and PCB layout (see some KiCAD-generated schematics, layouts, and generated gerber manufacturing files on www.retrobrewcomputers.org ). It's fully open source and designed for Linux, although I think it's available for Windows and Mac. The main feature of KiCAD is that it is designed from the ground up for schematics; wires aren't just lines, but KiCAD knows about connections and maintains them even when you move parts around (much like Visio). Parts aren't just blocks with connections, but actual parts, with pinouts and other characteristics. KiCAD knows how to group buses together, too, so you can consolidate a set of lines into a bus and a single thick busline snakes around the page instead of a bunch of thinner lines.... One could build a library of audio gear with pinouts, footprints, electrical characteristics, etc, and KiCAD would be up to the task of keeping such a schematic up-to-date with ease.

For straight drawings, QCAD works well, and is available both in an open source version (Windows, Mac, and Linux) that is just slightly crippled or in a commercial but low-cost version that can open .DWG files and adds quite a few niceties. I've done some F-size single-line electricals with QCAD, and it was up to the task.


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Follow-Ups: RE: Open Source or Inexpensive CAD/Drawing Program
(Rod Simon <rod.simon@moody.edu>, 28 Sep 2018 12:12:18 -0000)
References: Open Source or Inexpensive CAD/Drawing Program
(Dan Grimes <dangrimes@sosradio.net>, 7 Sep 2018 23:03:11 -0000)
Re: Open Source or Inexpensive CAD/Drawing Program
(Lamar Owen <lowen@pari.edu>, 14 Sep 2018 03:33:53 -0000)
RE: Open Source or Inexpensive CAD/Drawing Program
("Allard, Mark G" <MGAllard@unwsp.edu>, 14 Sep 2018 16:20:18 -0000)
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