Notifications
Clear all
Topic starter
Pentominos need a frame to start tiling rectangles—what’s the hardest frame you built (small rectangles, or odd aspect ratios), and how did you choose shapes for the edges? Did you ever use “straight” pentominos (e.g., “I” shape) to form frame sides, and what’s the most stable frame-building moment you had?
Posted : September 21, 2025 6:03 pm