How to create a tufted seat using Sandbox > From Scratch, Smoove a Catmull-Clark Subdivision plugin.

1. Draw a rectangle of 3x3.
2. Select Draw > Sandbox > From Scratch. Type ½” for the Grid Spacing.
3. Pick the first, second and third corners of the rectangle. A mesh will be created. Explode the group.
4. Open tools> Sandbox> Tools> Smoove. Type 2” for Radius
5. Place the cursor en the center point. Click. Move the cursor up ¼”.
6. Select the Erase tool + Ctrl key (Opt in Mac) and smooth edges.
7. Create a component, copy it along Green and red axes.