This is where you enter all the ‘sizes’ you wish to offer. These will show in the custom quoting 'Finished Size' dropdown list for you to select from.
This is managed under Admin > Configure the Factory > Finish Sizes.
The following box will appear:
As you add each size, it will appear at the bottom of the screen as shown:
This information must be added for each size you wish to use. You can use custom sizes when quoting but all standard sizes should be entered here.
* There is also an option to enter a 'Height' for any 3D products: