Source: Wall art generator – Rasterbator
Rasterbator is a website that will take an image and blow it up to poster size on any printer or copier. The site will create a multi-page PDF, blowing up the original image as a kind of mosaic it. The multiple pages can then be printed out.
But, it doesn’t stop there. Rasterbator has has several effects that can be applied to the image, to get a cool looking art like project.
I do like how there is a human figure in the preview, to help you gauge the size of your completed poster. In this example, the figure is 6′ tall.