We do not display the featured image on this page on purpose, and let me tell you why.
I use themes as well as make them, and there’s nothing more annoying than wanting to display a really eye catching, purpose-made thumb on the portfolio index page, rather like a call-to-action, and then not wanting this same image on the detail page. I prefer to fill my detail page with the details, other images displaying details, and to write about the details and/or process.
This is why your featured image doesn’t display here.
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“Typography is part of usability and design, but more importantly usability.”
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