• Knock off the first 30 seconds of your 'interior shots' video where the machine is presumably registering itself. I don't much care about that :)
• Show the resultant printed film from the side on somewhere, so we can see how thin it is. From first glance, I got the impression the output was quite thick, whereas apparently it's only 16 microns (taken from your spec sheet). It might seem obvious to you, but it wasn't here and I think would be much more impressive.
Neat tech, I've forwarded it to someone who might have use for it.
Good luck!
Would it be possible to use these as badge photos? I feel like it would be pretty cool to have a hologram picture on your badge.
Will work on seeing if we can get better imagery of the hologram thickness.
ed - eg. each 16 micron sheet is side-illuminated with a specific colour, and then three or more holographic sheets are embedded in between the glass plate and cover?
We've started with a printer that is single-color initially to get this off the ground, but eventually we would like to have a full-color version of the printer in the future with RGB recording directly in one layer.
Excited to follow your project and eventually have one sitting in my workshop!
Let me know if you know anyone at Glowforge that could be a guide through the process. Always good to be able to bounce things off someone who's been there.
One of the other very memorable holograms out there is the Kiss, which is also possible (see our Kiss demo hologram).
I think holographic cameras would certainly be something that would be in the future for us. Glad to see you are already looking there!
I really need to acquire a bunch for the science museum I'm going to open. Will probably need a bunch of kits as well. This is the sort of thing that can change someone's life as a child. There's no replacement for that sense of wonder.
Hopefully there will be a series of holograms made on our 3D Hologram Printer as an homage to older holograms like this that made an impression. That is what we were trying to do with our Kiss hologram.
I tried searching for the term "hogel size" I assume it is somewhat equivalent to resolution. Can you expand on it and tell us what are the limiting factors around resolution and how it can be improved in the future?
I am now curious how commercial sticker size holograms are printed.
Also sometimes called white-light holograms because they can be viewed with a regular spot light, sunlight, or even a smartphone flashlight.
However, existing embossed holograms do have the surface relief and can be used for this.
I've been involved with hologram printers all the way back to my grad school days (MIT Media Lab), and have built custom industrial versions for in-house commercial hologram work. But more recently LitiHolo has been focused on simple educational holograms kits. With this 3D Hologram Printer, we are kind of bringing the two together -- a simple hologram printer that makes the technology more affordable and accessible.
These are true laser-recorded holograms, and we are starting small and simple to get things off the ground (think Makerbot for holograms). Would love your feedback on how we can continue to make hologram technology like this more accessible, as well as ideas for possible killer apps and use cases.
Here's our previous HN post from 12 months ago: https://news.ycombinator.com/item?id=22616010
And full disclosure: we have launched a Kickstarter project for this, but would appreciate your input whether you back the project or not.