Open House II Designed in 7/97 and diagrammed in 8/98; Another simple windmill based example © 1998 Sy Chen 1. Start from windmill base with color side out; Fold top flap right; squash lower right flap and lower left flap 2. Open doors 4. In progress; Flatten the doors by pressing the fold 5. Finished model with doors fully opened; Close doors 6. Finished model with doors fully closed; Ready for door open/close 3. In progress; Fold center flap down to the bottom edge . side out; Fold top flap right; squash lower right flap and lower left flap 2. Open doors 4. In progress; Flatten the doors by pressing the fold 5. Finished