Now after the winter months I again can devote some time to working on the camper. The first issue is to create a "tent" which provides a shadow in which the van can stand. My idea is to mount a kind of tarpaulin directly onto the camper, which can provide this shadow.
So I get a tarpaulin that is large enough to cover the whole roof. The 4 strong wooden poles, 4 tennis balls, and 4 flag holders.
Here is how this went: