Anton du Plessis
Author's posts
Mar 18
Wits reef gold
This is an example of Wits Reef Gold – the CT slice images with different contrast settings show the location of gold particles shown in red within quartz conglomerate. Also see a 3D rotation movie of the sample made semi-transparent, click here: Wits reef gold
FollowMar 11
Limited edition 3D replica of the inside of a bird mummy: place your order now
We are now taking orders for a Limited Edition 3D replica of the inside of a bird mummy. The model is shown below in an image and animation. The actual replica is 3D printed in a polymer plastic material (white). It contains amazing detail down to 100 microns and comes with a booklet explaining the …
Feb 18
An example for the entomologists
This is a wasp found in Stellenbosch and sprayed with industrial insect spray. It seems there are dense particles all over the surface of the wasp, which could be due to the insect spray. Click here for the semi-transparent rotation movie: wasp rotation
Feb 05
Newsletter Jan Feb 2013
Jan 31
CT Conference: Imaging with Radiation
The first South African national CT conference is planned for September this year! It is collaboratively organized by the 3 NRF-funded CT scan facilities in South Africa, with the first one this year being hosted by NECSA, near Pretoria. This is an awesome opportunity for students, researchers and commercial users of CT technology to share …
Jan 28
New service: 3D Fingerprinting of precious stones
In this new service, we offer a full microCT scan of precious stones, at a resolution determined by the size of the stone. The full 3D data can be used to 100% accurately determine a precious stone’s identity, for example to identify a stone after recovery from theft. The service includes a report and full …
Jan 28
Technology for sport: demonstration of CT scans for crack detection in arrow and bow for archery
In this example, a cracked arrow and cracked bow were scanned as a demonstration of this technology for archery. The idea is that used equipment can be scanned to confirm the lack of internal cracks or defects. This improves the performance of the sports equipment and in the case of archery will result in less accidents. These …
Jan 28
Composite wind turbine blade
This wind turbine blade is seen in a semi-transparent animation, showing a lead weight near the tip of the blade for improved mass distribution. rotate semitransparent 1
Jan 28
Example CT Report: Non-destructive testing of various components for cracks, porosity and inclusions
NASA test report_CT1301 This report includes results from tests of various mechanical components, and aims to show the type of results from CT scans. The report format is standard for all work.