Question: Can you suggest a solution that allows for mass-personalization of designs and prints?

For mass-personalization of designs and prints, Robolly is a top contender. This service uses a template editor and cloud-based tools to generate personalized content in large quantities and on the fly. It can handle a broad range of visual content, including social media posts, PDF certificates, and more, and offers features like bulk image generation, multi-page PDF creation, and integration with Google Sheets.

Another strong option is the IMG.LY SDK. This flexible SDK lets developers add advanced editing abilities to apps and supports variable data printing, creative automation and personalization. It works on multiple platforms and frameworks and supports a variety of file formats, making it a good option for both web and mobile apps.

Canva is another top contender, particularly if you need a free online graphic design tool. It has a lot of templates and features, including AI-powered tools to generate copy and edit photos. It can handle design and print options for physical products, and it has real-time collaboration and approval workflows, so it's good for both solo creators and teams.

Last, Matissse is a design generation service that marries design and spreadsheet data to generate lots of variations on a design. The service is good for marketing materials and product information, and it's got a simple graphical editor for customization. It's in beta testing now, but it promises to speed up the design process and make it more efficient.