Use 'pattern on' when showing something is inspired by an existing concept.

Inspirational Source

Means it's not an exact copy, but rather influenced by the style or idea.

Not a Copy

Highlights a starting point for creativity, not the final design.

'Pattern on' involves thoughtfully arranging items to form a design.

Use when describing efforts made to enhance something's appearance.

Often pertains to physical spaces like rooms, walls, and floors.