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Bridge Builder Lab
📋 Presets
🎯 Missions
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Nodes
0
Beams
0
Total Force
0.0N
Broken
0
Tools
📍 Add Node
🔗 Add Beam
⬇️ Apply Load
🗑️ Delete
Analyze Forces
Material & Options
Steel (250MPa)
Wood (80MPa)
Aluminum (150MPa)
Carbon Fiber (400MPa)
Show force colors (green=safe → red=failing)
Nodes near bottom auto-fix as supports. Click "Analyze Forces" after building.