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Tutorial 4: Using Multi-Shuttle Patterns

Let's create a two-shuttle pattern for color contrast.

Step 1: Two-Shuttle Syntax

Create two_shuttle.tatml:

pattern "Two Color Flower" {
    thread: size20, blue
    shuttles: 2
    
    shuttle1 {
        // Blue thread - center and structure
        center: R(5, p, 5, p, 5, p, 5, p, 5)
        frame: C(12, join(center.picot1), 12, p, 12, join(center.picot3), 12)
    }
    
    shuttle2 {
        // Contrasting thread - decorative elements
        accent1: R(4, p, 4, join(center.picot2), 4, p, 4)
        accent2: R(4, p, 4, join(center.picot4), 4, p, 4)
        connector: C(8, join(accent1.picot2), 8, join(accent2.picot1), 8)
    }
}

Step 2: Understanding Shuttle Blocks

  • shuttle1 { ... } - elements made with the first shuttle
  • shuttle2 { ... } - elements made with the second shuttle
  • Joins can cross between shuttles: join(center.picot2) from shuttle2 to shuttle1
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