Once you have decided on a new object or material you wish to scan, you’ll need to create a Data Collection to contain and organize it.
Data Collections are built of multiple records (scans) of potentially unlimited number of samples.
The number of samples required to have a successful model depends on the complexity of the problem you are trying to solve. For simple cases, sugar and water solutions at a single temperature for example, a few samples might be enough, for more complex models like the ones Consumer Physics makes for the SCiO App, hundreds of samples scanned in multiple temperatures and conditions are required.
It is best practice to iterate between the data collection and model creation phases until the desired performance is achieved