In Update database after the last update on dev, Sergi suggested I create a separate thread for adding attributes for brand, manufacturer and model.
To start the ball rolling, Sergi mentioned that brand could be represented as a product category.
Before even arguing that a brand could be represented as a category, categories would need to be a product attribute and not only an attribute on the template as it seems in order to do so … (same for the other two).
Otherwise, it is somewhat impossible to have standardised products produced by multiple manufacturers (possibly represented by multiple brand names or manufacturers) which is common in many industries. Such examples are extremely common in plumbing, electrical and electronic materiels.
Furthermore a brand has typically attributes itself (like owner and manufacturer(s)), so I fail to see the pertinence of restricting use to a category (though, in reality, nothing could nor should stop such practice).
Nan-tic seems to have a module trytond-product_brand but unfortunately it is based on the product template and not the product itself.
As to manufacturer, Nan-tic seems to have most of the pieces but doesn’t seem to have a
It would be welcome to hear what others have to say about these topics.