[sudo-discuss] DXF or SVG or? for scanner light fixture mount cutting for book scanner

[jacques revera]

probably less than a square foot or half of that. depends on how we remake
the piece holding the light to raise it higher

On Thu, Jan 18, 2018 at 10:23 PM, Jake <jake at spaz.org> wrote:

> i have plenty of FR4 that does have copper on it, we could still use it for
> this.  how much do we need?
>
>
> On Thu, 18 Jan 2018, Marc Juul wrote:
>
> Nice! I'm not sure we have any non-circuitboard FR4. If it's not too big we
>> could just order it from e.g. seeedfusion as a circuitboard design with no
>> exposed copper pads.
>>
>> On Thu, Jan 18, 2018 at 1:54 PM, jacques revera <jacquesrevera at gmail.com>
>> wrote:
>>
>> I just purchased two refurbished 20 megapixel Canon PowerShot ELPH 160 and
>>> the archivist lighting assembly which includes LED bulbs, sockets,
>>> lenses,
>>> wiring and power adapter.
>>>
>>> Jonathon will send us the design files for the sockets mounting plate
>>> soon
>>> as I tell him what format we need to cut it at the SUDO room: DXF or SVG
>>> or
>>> something else?
>>>
>>> ~
>>>
>>> http://diybookscanner.org/archivist/index6ea9.html?page_id=267
>>> This is the page describing the plate. It would be convenient if the SUDO
>>> room has some FR4 but as long as the material is opaque, heat proof and
>>> can
>>> be painted black, should be no problem.
>>>
>>> This plate will sit at the top center of the scanner. The plate also
>>> serves to block light from entering from the top direction. Since, we
>>> need
>>> to attach something to raise the lights higher than the original
>>> hackerspace design, we should not cut this out yet. It does not need to
>>> be
>>> the same shape as the archivist plate as long as the socket mounting
>>> holes
>>> are the same.
>>>
>>> Jonathon wrote last week:
>>> ."..you can move the lights further away from the platen. Because of
>>> various design constraints, Daniel put the lights closer to the platen
>>> than
>>> is ideal on that model. For later models (like Daniel's Archivist
>>> design),
>>> the lights were been moved further away to reduce glare and hot spots.
>>> You
>>> want to reproduce this in some way. So just build a simple frame you can
>>> set on top of the scanner to lift the lights. There is a mathematical way
>>> to find the minimum distance, but it might be easiest just to do it
>>> empirically, pulling the lights away and taking sample photos until you
>>> see
>>> that there is no reflected light source."
>>>
>>> You can see how this the lights are put together on the archivist about
>>> halfway down this page
>>> http://diybookscanner.org/archivist/index9bef.html?page_id=54
>>>
>>> Jacques
>>>
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>>> sudo-discuss at lists.sudoroom.org
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>>>
>>>
>>>
>>
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