[Darkroom] any 110 film enthusiasts?
arlen.abraham at gmail.com
Thu Oct 27 00:22:23 UTC 2011
FDM is not the process you want for this.
I've built models on Shapeways before. Very good quality. The stuff I
was using had a 0.001" resolution but was clear. Not sure if they have
high-res materials in black, but you could always paint with
aluminized lacquer and then black (or something). Very affordable.
The one downside to Shapeways is the 10-day+ turnaround.
On Thu, Oct 27, 2011 at 03:47, Jason Schorr <echohtp at gmail.com> wrote:
> http://www.shapeways.com is a link a friend on another list passed my way.
> Ive never used it so i can speak for their products.
> Kelly, i plan on cad'ing some stuff up just for my own personal project
> notes in an attempt to make some progress on it.
> What is 11" EIR? For sprocket cutting I would think some sort of pointy cog
> system would work well if you keep the tension on the film high. I have no
> idea, never made one.
> Jas, it should also be noted that not all 110 film cameras use the sprocket
> to cock the shutter. Just a lot of them. :)
> On Wed, Oct 26, 2011 at 3:43 PM, Kelly <hurtstotouchfire at gmail.com> wrote:
>> Also Jason, you could makerbot a non-functional prototype if you want,
>> but it's probably just as good to work on the 3d model in software.
>> It's possible that some of the consumer-level professional options for
>> higher-quality fabrication could make you these cartridges, and they
>> are pretty affordable. I don't know what the main sites are that
>> people use but I've seen some very fine results. Anyone?
>> On Wed, Oct 26, 2011 at 12:40, Kelly <hurtstotouchfire at gmail.com> wrote:
>> > Jas you've been holding out on us!
>> > Can we get any more details on this sprocket-punching machine you
>> > made? Is this anywhere near the precision necessary for punching 35mm
>> > sprocket holes? Because then I could revive my fantasy of buying 11"
>> > EIR and cutting it down into 35mm.
>> > -Kelly
>> > On Wed, Oct 26, 2011 at 12:17, Jas Strong <modulararithmetic at gmail.com>
>> > wrote:
>> >> On Wed, Oct 26, 2011 at 11:33 AM, Kelly <hurtstotouchfire at gmail.com>
>> >> wrote:
>> >>> I've never taken one of these apart, co I'm not clear on what part of
>> >>> the cartridge is actually destroyed in the development process
>> >> You normally open them by breaking them in half. There isn't room in
>> >> the cart design for an opening mechanism with appropriate light seals;
>> >> there's basically no chance of makerbotting one either, because the
>> >> required wall thicknesses are very thin. So, yeah, good luck with
>> >> that.
>> >> You also need the sprocket holes (which don't actually get used to
>> >> wind the film on- it's there to actuate the shutter cocking lever).
>> >> When I reloaded them back in about 1998 I had to make a machine to
>> >> punch the holes, which was a colossal pain in the arse.
>> >> -J.
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