The same instrument will be helpful in drawing the next picture.
Blending Options-Drop Shadow
Blending Options-Bevel and Emboss
Blending Options-Gradient Overlay
Gradient’s parameters.
Apply the same options (Blending Options- Drop Shadow, Bevel and Emboss, Gradient Overlay, Gradient’s parameters) to represent figures of different shapes, but keeping the same parameters and placing them the same way, like in the image below.
Take a brush now with blurred edges and white color on a new layer and represent a starry sky, like the next picture demonstrates it.