Creating puffy model

[Sabrah (Ahmed Sabrah)]

Hello, i would like to know how can i 3d model this effect if i already got the rhombus shapes and want to apply this puffy effect without the wrinkles i guess how can i achieve that ?

[joseph]

One method would be a bunch of these:

Blender Secrets - Making a Pillow in one minute (Updated for Blender 3.1)

Or, a more concise method:

Blender Secrets - Comfy Default Cube (New Method)