In addition to editing the attributes of a product, you can also manage variants of a product model in the PIM module. Here's how:

1. Access the product model: Select the product model you want to work with from the products list and enter the edit mode.

2. Go to the Variants tab: Look for a "Variants" tab within the product model interface. Click on it to access the variants management.

3. Display existing variants: In the variants tab, you will see a list of existing variants associated with the product model. This allows you to view and review the different variations of the product.

4. Add variants: To add new variants, look for an "Add New Product Variant" button. Click on it to define additional variations based on variant axes .

5. Specify the values for each variant axis to create the desired variant. 

   1. Axe value combinations can be used only once.

6. Remove variants: Click on the variant you want to delete. This action will open the detailed view of the variant. Scroll down to the bottom of the page where you will find the "Delete" button.Click on the "Delete" button to remove the selected variant. 

7. Save the changes: After adding or removing variants, remember to save the changes to update the product model and its associated variants.