I was given the aluminium sheet to make them from by the builder. He'd kept it for over 20 years, so when I contacted him to find out about what he'd used for covering the plane with, and what he'd painted it with, he asked if I'd like the strut covers. Of course I said yes, so I collected them from him, then had to cut them and pop rivet them along the back edge of each one. After that I drilled each one to match the mounting holes for the struts, then bolted them on when I next had the wings off.
I've attached a couple of photos of the strut covers before I fitted them to the plane, so you can see what they looked like, although I painted them with satin black spray paint, along with the axle, which you can see in the photos as well. You may also be able to see where I pop rivetted the back edges of each strut cover because the back of each rivet hit the opposite side of the strut cover when I fitted them. That's because each strut had the rear edge folded along one side, so that it fitted inside the rear edge instead of the two sides just being rivetted together. It looked neater, but was harder to do.
I'll put up a diagram showing what the strut covers looked like before I rivetted and painted them, so that you can see how one edge was folded inside the other.