X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com Message-ID: <53C547D1.1080201@envinsci.co.uk> Date: Tue, 15 Jul 2014 16:25:05 +0100 From: Matt Rhys-Roberts Organization: Envin Scientific Ltd. User-Agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: geda-user AT delorie DOT com Subject: Re: [geda-user] test pattern for checking UV etching process? References: <53C53643 DOT 7040006 AT envinsci DOT co DOT uk> <201407151416 DOT s6FEG3QT004750 AT envy DOT delorie DOT com> In-Reply-To: <201407151416.s6FEG3QT004750@envy.delorie.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: geda-user AT delorie DOT com Thanks so much, that's superb. :) Next, slightly OT, do you or anyone have any favourite photomask materials/printers? Matt On 15/07/14 15:16, DJ Delorie wrote: >> Hi, just wondering if anyone knows of a favourite test pattern that can >> be loaded into pcb for printing, or any other graphic file that can be >> printed, for testing a small scale UV-based PCB etching process. > I have a few test patterns here: http://www.delorie.com/pcb/ > > You'll want to look a the "spirals challenge boards" and the bloat > test under "Goodies"