Creating conceptual graphic for Religion - Christianity

Create a rectangle using rectangular shape tool.

Press Ctrl+T. Right click the layer and select distort. Adjust nodes to get the shape as shown.
Enable add to shape area form the top bar.

Create a rectangle using rectangular shape tool.
Press Alt key and keep hitting the down arrow key to create 3d extrusion. Select the top most duplicate layer and hide it.
Select & merge all other duplicate layers. Double click the layer to open layer style window. Apply layer style with the settings shown.

Unhide the top most layer. Double click the layer to open layer style window. Apply layer style with the settings shown.

Duplicate the top most layer and scale down. Again repeat the above steps to create a 3d extrusion of the scaled down layer.
Select and merge duplicate layers. Press Ctrl+T. Right click the layer and select warp. Adjust nodes to get the shape as shown.
Double click the layer to open layer style window. Apply layer style with the settings shown.

 

Using pen tool create a shape as shown below.
Double click the layer to open layer style window. Apply layer style with the settings shown.
Create a rectangle using rectangular shape tool. Press Ctrl+T. Right click the layer and select warp. Adjust nodes to get the shape of an turning page.

Double click the layer to open layer style window. Apply layer style with the settings shown.

Duplicate layer. Press Ctrl+T. Right click the layer and select flip horizontal. Inverse the gradient angle in gradient overlay settings.
Create a rectangle using rectangular shape tool.

 

Enable add to shape area form the top bar. Create another rectangle using rectangular shape tool to create the holy cross.
Copy the layer style we used for the first shape and paste on this layer.