I thought I'd post some older stuff that I did (these were in Gimp). They were for Prison Planet - a Traveller adventure by Mongoose Publishing. It's one of my few stabs at Sci-fi mapping and was certainly done at a point when I was learning a lot. Looking back, there are many things I would have done differently - more computer generated textures and regular patterns for one. Sci-fi certainly looks better with perfectly regular edges and structures so my hand drawn commitment might not have served these so well. Anyway, I thought these might be interesting.

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All maps © Mongoose Publishing 2009, reproduced with permission.