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How was this achieved? (1 reply and 2 comments)

Sairaj Batale
3 months ago
Sairaj Batale 3 months ago

I was going through some photography posts and saw this amazing photograph by Ralph Morse. I was wondering how he might have shot this?  I reckon it has to be a strong source like a projector or gobo light with some slits, probably overhead. Let me know what you think how he must have did this...

https://www.rogerdeakins.com/wp-content/uploads/2021/01/24morse-ralph-obit-slide-U9TB-superJumbo.jpg
Mike
3 months ago
Mike 3 months ago

It’s called Light Beam Contour Mapping.
Very common in Industry in the 1930 - 40’s. Used for profiling shapes prior to casting in plastic/ metal/ plaster etc. They even scanned full scale clay cars to profile the moulds to make steel pressings. You will need a beam projector most of which have now been scrapped. 

You can cheat by using a ‘grill‘ with a very bright light but will not look as good as the real thing.

Profiling today is done by lasers controlled by computers.

Btw. I was in Malta a few years ago and saw 3D images being etched inside a resin block. I had to sit inside a darkened booth and a bright light scanned both sides of my face and shoulders. Five minutes later, a solid block of clear resin ‘popped’ out. Inside the resin was a 3D image of myself, very clever. The image had to be lit underneath to get the best effect, but very strange to see your 3D image inside a solid block of clear resin. Same principle.

https://www.rogerdeakins.com/wp-content/uploads/2018/07/D2FCEC93-E770-49A0-8B4C-9347DA839E3A.jpeg
https://www.rogerdeakins.com/wp-content/uploads/2018/07/8F8FD7E7-82FB-4D5D-973D-08C014ABFD0E.jpeg
https://www.rogerdeakins.com/wp-content/uploads/2018/07/F86865AE-C45D-48E9-9D18-554E6CBF2CC4.jpeg
https://www.rogerdeakins.com/wp-content/uploads/2018/07/0092AD30-1CA0-43F8-AC4C-963CFF8E8214.jpeg
Sairaj Batale
3 months ago

Cool Mike! Thanks for answering in such detail! 🙂

Rossana Signorile
3 months ago

Yes! For that picture it was used by the Air Force to design flight helmets, specifically.

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