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+# Version 0.7 prototype printing guide
+
+## Models
+
+- `asterion_full_vehicle_1_to_50.stl` — visual portfolio model.
+- `ring_drive_demonstrator_1_to_5.stl` — ring/spoke mechanism demonstrator.
+- `docking_latch_demonstrator_1_to_5.stl` — simplified latch geometry.
+
+## Suggested FDM settings
+
+- Layer height: 0.20 mm for the vehicle, 0.16 mm for mechanisms.
+- Walls: 3 perimeters.
+- Infill: 15–25% for visual parts; 35% for mechanism handling.
+- Material: PLA for display; PETG for repeated handling.
+- Supports: generated only where required after slicer preview.
+- Dimensional coupon: print a 20 mm cube and a hole gauge before mechanism parts.
+
+These models are demonstrators, not flight hardware, pressure parts or load-rated components.