The Rasterbator is a great free website that uses a unique algorithm to resize images, divides them into .pdf pages, which you can then print and arrange into impressive posters.
How impressive I hear you ask?
Your uploaded high resolution image can be printed on A3 or A4 paper and then arranged to make colour or black and white posters up to 20 meters in size.
The Rasterbator is easy to use and is a great way to decorate a classroom with your class photos or artworks.
So how does it work?
1. Upload your image to the Rasterbator server
2. Crop and resize the image
3. Set rasterbation options – including border, dot size and colour options
4. The rasterbated image will be sent to you as a printable pdf file.
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