I have been amazed at the value that insignificant items assume when you have a change in need. I've put things away knowing they have intrinsic value despite being surplus at the time.
For example, velcro pads supplied with heater vents which I never used. Now I've used every last one of them for attaching receivers, cameras and batteries.
Another case in point is the cooling vents I've put in on the Walrus. I'd read that the ESC tends to overheat, which would be even more so in my case with it located partially under the battery tray. I drilled two cooling slots on the underside of the nose, however drilling though EPO doesn't give a very clean finish. A bit of brainstorming on improvement led to a lightbulb moment.
I hauled out our tub of drinking straws and found one that fitted perfectly into the 6mm holes I'd drilled. Trimmed with a slightly raised rear section acting as a scoop, the result is much improved and looks pretty good.
For the total cost of zero, compliments of a Slurpee straw...
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