How I used a portable projector to make a custom banner

To set the stage, my artistic ability falls somewhere between a toddler with a crayon and the least helpful player on your Pictionary team. So when faced with the prospect of hand-painting a birthday banner, I was dubious, though still committed. Like any modern adult, I turned to tech, and while projectors may not have been designed for amateur crafters, they’re surprisingly perfect for the job.

The biggest challenge…