ADVANCED 3D SCANNING
3D SCANNERS
3D scanning, the process of converting physical objects into precise digital models, enables you to quickly and accurately capture your object’s shape and geometries. This process supplies you with a complete digital representation of your object that can be used for reverse engineering, quality inspection or at any point of a typical manufacturing cycle.
FlyingFoxCam Ltd. has been involved in building 3D scanners since 2009. We have designed and built multiple scanners including laser based 3D scanners, structured light 3D scanners, photogrammetry and full body 3d scanners.
Over the last 12 years FlyingFoxCam provided many solutions for scanning large objects, landscapes, people, and extremely small objects.
FlyingFoxCam not only builds and supplies 3D scanners but also provides 3D scanning services for multiple industries including entertainment, manufacturing and civil engineering.
For perfect color texture reproduction we are using a Light Dome. To provide pictures without shadows or specular highlights.
Light Dome is a 2meter in diameter half sphere with lights installed inside.
This is the best possible way of acquiring color information thanks to the uniformity of the light and shadow.
PHOTOGRAMMETRY 3D SCAN
This rock has been scanned in a purpose built light dome using a technique called photogrammetry. The light dome 3D scanning rig is critical to achieve shadow less
textures and uniform lighting all around the object providing perfect 3D scans.
The resolution of the rock above is 24 986 824 polygons. Our standard classifies it as a medium resolution asset.
Unfortunately most of the computers are already struggling to open such a dense 3D scan.
For that reason FlyingFoxCam can provide 3D scans in density suited to various levels of technical complexity.
VERY SMALL OBJECTS
We have developed a 3D scanner for microscopic objects.
It captures details around 2-5 microns with polarized color textures.
latest 3d scan of something very small and familiar to everyone, yet tricky to scan as it is quite shiny metal.
The Goal in my research was to acquire the most detailed 3d scan with as low noise as possible to extract displacement maps from it.
As well as ultra detailed diffuse color maps for texturing.
Thanks to ultra precise motion controlled focus stacking rail I was able to get all 7200 images stacked pixel perfect.
For reconstruction I have used reality capture with alignment error of:
minimum 0.2pixel and maximum 0.5 pixel.
On stacked images one pixel corresponds to 410nm which surprisingly allows 3d reconstruction to capture recognisable features under 1 micron.
For reference, the visible part of the ball in this pen is approx. 660um
There is some signal noise which makes it harder to notice features under a micron, because I'm not sure what is signal noise and what is a 1 micron real feature.
Things get easier when you have machining marks on this pen or scratches which are traveling over long distances and it is relatively easy to spot by rotating light in a 3d package.
I'm sure I haven't hit the limit yet as I know I'm able to do it better than this, but I just don't really see the reason why. I almost reached the possible limit of what visible light is able to deliver.
STRUCTURED LIGHT 3D SCAN
To provide the best outcomes for our customers we use custom built Structured Light Scanner for 3D scanning featureless or flat objects. This particular scanner is capable of scanning a 2cm x 2 cm area with resolution of 36 000 000 polygons.
The most basic principle behind structured light 3D scanning is triangulation. Light is projected in a pattern (usually a series of parallel lines) that becomes distorted on the surface of the object.
Cameras capture this distortion from multiple angles, triangulation calculates the distance to specific points on the object, and the three-dimensional coordinates are used to digitally reconstruct the object in great detail.
Having a diversity in equipment allows us to scan any asset and to choose the best method of doing so.
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3D scan above of skin pores represents area of 5mm x 8mm