The struts are made from 14swg piano wire, to get the exact dihedral angle there is a bras tube that is a sliding fit, it only gives a few mm of adjustment, but enough to set the wings correctlty. The remaining images show the wire supports, spruce on ply.
These will have to be completed once the wings are set up, and covered in. Suggest epoxy for this. Once dried, the edges can be rounded.
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