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Message: <blockquote data-quote="kenada" data-source="post: 8392067" data-attributes="member: 70468">I use <a href="https://github.com/DeadSix27/waifu2x-converter-cpp" target="_blank">waifu2x-converter-cpp</a> to upscale wallpaper. It seems to work okay with battlemaps, but it’s not going to perform miracles with low-resolution maps. The maps in Paizo’s PDFs are very low resolution, especially if you want to use them at scale. See below for a comparison.I extracted the maps from the PDF using <code class="bbCodeInline">pdfimages</code> (from the <a href="https://poppler.freedesktop.org" target="_blank">Poppler</a>) and upscaled them to scale. The left side was done using a simple bilinear filter in Affinity Photo (assuming that your printer doesn’t do anything more sophisticated). The right side was upscaled using <code class="bbCodeInline">waifu2x-converter-cpp</code>. I also included a photo of a printout with minis for scale (featuring Valeros, Seoni, Harsk, Ezren, and Kyra versus Sorshen and Aldern Foxglove).</blockquote>