Power meter on gravel bike?

[Bestevaer]

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A Wild idea for Favero Assioma pedals [MTB SPD Hack]

This week Favero released version 4.04 and new pedal bodies. When I saw the pedal bodies I thought of an idea. Why not 3d print bodies which can fit on the pods of Favero Assioma’s with Shimano SPD double-sided clipless mechanism? Example: I and other people want powermeter pedals for road as well as MTB riding. This would be a nice solution. Are there people with expertise in 3d printing or pedals based powermeters who think this is possible? Or impossible (please give a reason why)