You may get .psd* file of "Bamboo Fun tablet" Photoshop tutorial by making a donation. Put the tutorial title in "Add special instructions to seller" line of PayPal and it will be sent to you shortly.
In order to make soft edges of the shape 4 do the following:
- Ctrl + Click on the layer with shape to load selection.
- Edit > Clear to remove color.
- Select > Refine Edge (1; 0; 60; 0,6; 0)
- Fill selection with any color.
- Apply Gradient Overlay layer style effect.
- Adjust Opacity 33% to this layer.
- Apply layer style effects to shape 5 just like in the examples below.
- Set the interior opacity for the layer (Fill) 0%.