Building a 4th module

The material for the module:

My outside workshop next to my house:

Making the U's:

On the base module, it came with the 2 corner modules:

Gluing and spiking the U's to the module:

And ready:

To low, it still needs another layer on the module floor:

With valance and without background:

Gluing the back for the background:

My tool to hit the spikes in the correct spot:

And ready:

 Al four modules, loose next to eachother:

And a photo from above:

Later more!