WooCommerce single product page offers many different areas to place your customizer. Here is a visual guide:

Found a location which suits your needs?

  • Copy its code (i.e.: woocommerce_after_single_product_summary)

  • Paste it in your WordPress admin panel,

    • in WooCommerce tab > MyCustomizer tab > Customizer Iframe hook input

  • Click Submit.

Et voilà!

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