The best free alternative to Block Posters is Rasterbator, which is also Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Block Posters and eight of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Block Posters are Marq, Plakativ, Posteriza and pdfposter.
The Rasterbator creates huge, rasterized images from any picture. Upload an image, print the resulting multi-page half-toned pdf file and assemble the pages into extremely cool looking poster up to 20 meters in size.
Marq, formerly Lucidpress, is a brand-templating platform that empowers everyone to build on-brand.
Lucidpress does not belong in the free category because you have to pay if you want to be able to make block posters.
Use POSTERIZA to design your own big posters and signs from any digital photo with your home printer!
This requires the installation of Python and pyPDF. Out of the gate, the script does not provide for image overlap, however there is a patch that does fix this. The patch requires replacing 5-6 lines in 3 files and adding 2-3 new ones, its very easy.
Posterizer's free online rasterbator allows you to create posters larger than a standard page, using the tiled printing method. It will rasterize any image and output files that can be printed at home and reassemble to the original image.
This very simple script requires the installation of Python, Python imaging and ImageMagick. Its crying out for a web front end and maybe generalization Perl and PHP versions as well as a front end.
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No watermark and paywall. More configuration options