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How to make a surfboard
Pick a suitable workspace that can handle some permanent damages.
You need a space that's both large and well ventilated.
Working outside is a plus when it comes to ventilation, but an indoor facility with 3 perfectly placed fluorescent lights will show flaws in your shaping so you can catch them early on.
This is a weather dependent project if you work outdoors. Know that you won't be able to do any work in the rain, snow, or even in the wind.