Rosa Eterna Day Box

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More than a gift, a declaration of everlasting love.
Inside this elegant box lies an eternal rose, a symbol of feelings that never fade. Perfect for occasions like Mother’s Day, Women’s Day, birthdays, or simply to say “I love you,” this special box leaves a lasting impression on the heart of its recipient.

 

If you want to clarify that the rose in your design is not your own creation and provide attribution, you could rewrite the explanation as follows:

"The model I designed is just the box. 

The rose is not my design; anyone who wants to use it can download it from this link: Eternal Rose on MakerWorld. It fits perfectly with my box design."

This makes it clear that the rose is a separate design and gives proper credit while ensuring users can access it easily.