[Noisebridge-discuss] 3d modeling help - seven segment displays

[miloh]

We should be able to help out tonight at reprap Wednesday. Over a year ago
I started making parametric 7 segment printouts that one could specify size
and dimensions for.

https://github.com/miloh/scad_stl/blob/master/7segment.scad

Use with regular leds and a shift register, or now with rolf's 5x5 charlie
plex badge.  We could print them out on repraps, ToM's or the Series One,
no problem.  I'd like to help!

-rma


On Wed, Jun 13, 2012 at 3:18 PM, Jake <jake at spaz.org> wrote:

> I need to make giant LED numbers.
>
> I have LED tape, which is 8mm wide and has surfacemount LEDs every inch or
> so.  It can be cut to multiples of three.  I want to make numbers like
> this:
>
> http://www.8051projects.info/images/7seg.gif
>
> So i want to use the replicators to print (using clear PLA) pieces which
> are the shape of single segments.  The segments should have indentations
> in them to correspond to the LEDs on the tape (and the resistor too).
> Each segment will have 12 LEDs behind it - two pieces of tape side-by-side
> with 6 LEDs on each piece.   The LED tape looks like this:
>
> http://www.elumanation.com/eLume_LED_Extreme_High_Output_LED_Tape.html
>
> more accurately:
> http://www.chylighting.com/upload/201204/1334818508.JPG
>
> I don't have a PDF of the LED tape but I will try to find one.  Otherwise
> we can just look at the actual tape, which I do have, and measure it.
>
> I would like someone to help me design this piece from scratch and get it
> to print.  Then I want to print 23 of them from clear PLA.  There's pay.
>
> Is this something we can do today?  or at least get started?
>
> -jake
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