@Cheesy Wotsit - You have made incredible progress in a very short period of time. You also seem to have picked up a good bit of skill with blender in a short period. Neither of those are inconsequential.
To echo others, I would suggest using the paper model plugin for blender as opposed to pepakura. I found that to get pep to properly read one of the formats output by blender caused most of the material/texture/uvmaps to break horribly. I didn't feel like dumbing down the printed details just so pep wouldn't mangle them.
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