🎨 Coat
1 Click face to paint
2 Keep clicking more faces
3 Spacebar to finish
Alt+Click = sample material
Shift+Click = flip to opposite face
🔄 Loop
1 Hover wall → see loop highlight
2 Click to paint entire loop
3 Spacebar to finish
Shift+Click = flip to opposite face
📐 Scale
1 Click point 1 on textured face
2 Click point 2 to measure
3 Enter real size in cm
🔄 Rotate
1 Click textured face
2 Pick angle from popup
💡 All texture tools apply to every face with the same material
