spiral pattern self watering pot

spiral_pot.py

@@ -0,0 +1,101 @@
+#!/bin/python3
+from __future__ import annotations
+
+import subprocess
+import sys
+from pathlib import Path
+
+from utils import ask_float, check_openscad
+
+
+BASE_DIR = Path(__file__).resolve().parent
+SCAD_DIR = BASE_DIR / "flower_pot"
+OUT_DIR = BASE_DIR / "stl"
+
+
+def render_scad(
+    scad_file: Path,
+    out_file: Path,
+    pot_height: float,
+    pot_diameter: float,
+    reservoir_depth: float,
+) -> None:
+    cmd = [
+        "openscad",
+        "-D",
+        f"pot_height={pot_height}",
+        "-D",
+        f"pot_diameter={pot_diameter}",
+        "-D",
+        f"reservoir_depth={reservoir_depth}",
+        "-D",
+        'part="print"',
+        "-o",
+        str(out_file),
+        str(scad_file),
+    ]
+
+    print("\nRendering:")
+    print(" ".join(f'"{arg}"' if " " in arg else arg for arg in cmd))
+
+    result = subprocess.run(
+        cmd,
+        cwd=BASE_DIR,
+        text=True,
+        capture_output=True,
+    )
+
+    if result.returncode != 0:
+        print(f"\nFailed to render {scad_file.name}")
+
+        if result.stdout:
+            print(result.stdout)
+
+        if result.stderr:
+            print(result.stderr, file=sys.stderr)
+
+        raise SystemExit(result.returncode)
+
+    print(f"Generated {out_file}")
+
+
+def main() -> None:
+    check_openscad()
+
+    scad_file = SCAD_DIR / "spiral_pot.scad"
+
+    if not scad_file.exists():
+        raise SystemExit(f"Missing SCAD file: {scad_file}")
+
+    print("Self-watering spiral flower pot generator")
+    print("The model has built-in geometry constraints, so values that are too small may cause OpenSCAD assertions to fail.\n")
+
+    pot_height = ask_float("Pot height (mm): ")
+    pot_diameter = ask_float("Pot diameter (mm): ")
+    reservoir_depth = ask_float("Reservoir depth (mm): ")
+
+    OUT_DIR.mkdir(parents=True, exist_ok=True)
+
+    # Keep the selected dimensions in the filename.
+    diameter_str = f"{pot_diameter:g}"
+    height_str = f"{pot_height:g}"
+    reservoir_str = f"{reservoir_depth:g}"
+
+    out_file = (
+        OUT_DIR
+        / f"spiral_pot_{diameter_str}x{height_str}mm_{reservoir_str}mm_reservoir.stl"
+    )
+
+    render_scad(
+        scad_file,
+        out_file,
+        pot_height,
+        pot_diameter,
+        reservoir_depth,
+    )
+
+    print("\nDone.")
+
+
+if __name__ == "__main__":
+    main()