If you've developed a custom user interface for the 3D configurator, it's possible to apply it to your BigCommerce store by following these steps:

• Access to your BigCommerce and go the scripts manager of the storefront where do you want the custom user interface for the 3D configurator
  
  
• Create a new script by clicking on the Create a script button with the following properties:

<script>
    window.zakekeConfiguratorUrl =
'https://URL_OF_WHERE_YOUR_CUSTOM_INTERFACE_IS_HOSTED';
</script>

• Finally click on Save