Chandler is hardly an improvisational inventor. What you're suggesting is what GURPS would call a "cinematic gadgeteer"--i.e., you can make an orbital laser satellite of death with a paper clip, two rubber bands, and a lump of uranium. That's an extreme example, but the idea of being able to use random bits and pieces to make comparatively complex gadgets is not new in fiction.
Howerver, Gaera, being a fantasy world first and foremost, would have all sorts of limits on what you could effectively pull out of your ass. It isn't an impossible idea by any means, but it'd be a bit of a stretch in most cases. <p>
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