A cheaper, plastic version of this $179 keyboard tray?

[smoothbit]

Other than the material and the cost, I very much like the idea of this tray:

Hekseskudd Laptop Keyboard Tray

Does anyone know of anything like it that's both made of plastic and also currently available, ideally in Germany?

I can't find either of these two for sale anywhere:

BulletTrain eXpress
Thodio MacDec