For this learning module, you will need:
3D Scanning is the process implemented to collect data of a three-dimensional object or environment. This data is then analysed and reconstructed and results is a 3D digital file which can then be edited and reproduced via manufacturing mediums.
A 3D scanner can be based on many different technologies, each with its own limitations, advantages, and costs. Many limitations in the kind of objects that can be digitised are still present. for example, optical technology (such as the EinScan) may encounter many difficulties with shiny, reflective, or transparent objects.
Check out this table to have a comparison of the 3D Scanning technologies
The following module will take you through the Photogrammetry 3D Scanning technique
As per Autodesk's definition: Photogrammetry is the art and science of extracting 3D information from photographs. The process involves taking overlapping photographs of an object, structure, or space and converting them into 2D or 3D digital models using specific software.
Check out this clip by Prusa which explains the basics of Photogrammetry!
When working with Photogrammetry, image capturing is essential. Environment light changes, moving objects and amount of images will have a deep influence in the scan results.
Check this blog entry by Autodesk Area with some useful tips for set up and best practices for shooting great environments.
This video by Thomas Sanladerer will take you through the process of comparing Photogrammetry vs Structured Light 3D Scanning (such as the EinScan device available in the UNSW Makerspaces)
Scanning with Optical Technology (EinScan)
The following module will take you through the 3D Scanning Process using the Optical Technology available in the UNSW Makerspace Network
This table shows the technical information of the EinScan Pro 2x in each of it's scanning modes. Choose the scanning mode that suits your project best!
This video will take you through the entire process of scanning with the EinScan Pro 2x. If you have any further questions, just get in touch with the Makerspace Staff!
The EinScan software:
High Compatibility! Outputs standard file formats includes STL, OBJ, PLY, ASC, 3MF and P3 (global markers file).
Compatible with most mainstream software packages in the market. By saving watertight models, seamlessly connect to 3D printers for 3D printing.
Mesh Editing power! Provides mesh editing such as clean, hole filling, data simplification, smoothing, sharpen,measuring etc.
If you want to learn more about the EXScan Pro software, follow this link!
From Scan to CAD
This module will take you through the process of importing your scan into Fusion 360 and will show you a couple of useful strategies to manipulate mesh and convert them into solids!
The very first step of working with mesh, is importing it to your CAD software. This clip by Autodesk will show you how to import .STL and .OBJ files into Fusion 360.
Working with mesh alongside with parametric design is essential when working with scanned files. Check out this clip by Autodesk on working with mesh in Fusion 360!
When working with mesh in CAD, you will find yourself with the need of converting some mesh into solid models. Check out this clip by Autodesk on how to convert mesh into solids in Fusion 360.