This simple puzzle toy was inspired by the video link below from Pete Firman. It can be printed in less than an hour!

You need to connect the square ring to the spiral. Hold the spiral with the opening facing the top left. Slide the opening of the ring onto the spiral arm and continue to operate until you reach the top left corner again. Now you can connect the square ring to the spiral. You may need a little glue.

The goal is to make the rectangle fit inside the spiral