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Photogrammetry is like the opposite of 3D printing. In 3D printing you take a 3D model, turn it into a solid object and take lots of photos of it – in photogrammetry you take lots of photos of a solid object and turn it into a 3D model on the computer. You can then change it or resize and reprint it.
It does take some time for the computer to create the model, and sometimes you have to put a lot of work into getting the environment, lighting and camera settings right to be able to create usable pictures – but when you hit that sweet spot, you can create detailed models.
To be able to present them on the website for you to play with, I’ve had to reduce the quality of the models substantially – what you are seeing are quite rough versions – but I hope you find them good enough for you to enjoy exploring!
This was my first successful scan – by this point I’d tried a few different programs, and everything had failed, I was really starting to lose hope in making it work.
Out in the conservatory on an overcast day, the lighting was perfect. I was using my older Fuji camera, and must have had everything spot on as the program accepted every one of the pictures.
The model shown is after I’d cleaned it up and added the sack texture and stitches which aren’t very pronounced in the ornament.
The scan data comprised of 65 Photos.
A Gargoyle ornament about 5 inches high, scanned in a neutral light environment while sitting on a coffee table.
My 2nd really successful model, with a good amount of detail and hidden sections (inside the wings etc) which make it a difficult model to reproduce.
The scan data comprised of around 190 photos.
Prior to scanning the skull, my other objects had been placed on a flat surface. As the skull has some underside detail I wanted to get as much of it as possible, so mounted it on a camera tripod. I really wasn’t sure how it would go, as this gave it quite a cluttered background.
It worked quite well – the background was quickly removed in the scan software and it just left a small hole in the underside to be closed up.
The scan data comprised of 71 photos.
The stone wall was my first outdoors scan. It is the end of a wall of a small bridge at a local reservoir.
There’s not much to say about this one, other than a bit of very low photography was needed to get the undersides of the stones, and a guardrail had to be removed from the scan that came quite close to the wall on the back side. The strange shapes at the side of the model are just where it has been closed off to make a solid object.
The scan data comprised of 100 photos.