So I'm sure those of you who're speed freaks like I am and got the Aero-Ektar to shoot with on your Speed Graphic have run into the problem of not being able to shoot it wide open in daylight, even with ISO 50 film. In such cases you need to stop down (boo) or, somehow attach an ND filter... and yet there's no simple way to attach a filter on the AE.
Our favorite AE accessory maker Jo Lommen has a great-looking filter holder attachment, but it is a bit costly even without shipping.
For this reason, I DIY'd a filter holder using a plastic lid that came with a can of powder protein: http://www.flickr.com/photos/6887419...7627934910888/
But it was ugly as hell, and structurally unstable because the parts were glued using hot-glue. With the advancement in 3D printing technology, I'd been meaning to create a 3D printed version of my DIY filter holder for a while, and recently filially got around to designing one, which I present to you here.
The idea is that you order the 3D printed substrate that I designed from Shapeways:
http://www.shapeways.com/model/89228...ductBox-search
Separately purchase an 82-77 step down ring (as cheap as $1.60 shipped on Ebay), and bond the ring to the substrate thereby completing the filter holder. The whole thing, including shipping of the substrate and purchasing a good bonding agent (I use Devcon epoxy) ends up being around $35, or about 1/4 the price of the JoLo holder. Obviously, it's not as sturdy or as good looking as the JoLo one, so consider this as a poor man's alternative.
Anyway, if you're interested, please take a look at the Shapeways page. I also uploaded a video tutorial of the filter holder.
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