Came across this. One of the first things that occurred to me was … mapping!
1. Insert gridded (hex or even isometric) paper.
2. Place blank paper over the top.
3. Start mapping.
Demo video of the device:
If the My Little Pony colour scheme doesn’t appeal, then there is even a Star Wars version:
There of course needs to be a D&D version …
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Me on DriveThruDriveThru; at the moment I’m mainly pimping my procedural High Seas ‘Hex Crawl’ – In the Heart of the Sea.
I like it. Good idea.
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