Duane Strokaser's developed methods for building both carbon fiber Greenland and Europaddles using his free online plans, offsets and sequence.
Basically you adapt a couple of simple manufacturing principles to a wooden half model for the GP; for the other, it's wood and CF.
The paddles look really light, really strong. You can adapt the loom and shaft to your hands and shoulders.
But sometimes finding a source for carbon fiber can be an issue.
links:
http://paddlingtravelers.blogspot.co...nd-paddle.html
http://paddlingtravelers.blogspot.co...-wood-and.html