esp32 S3 DevKit C1 case

esp32s3_devkitc1_case.py

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+#!/bin/python3
+from __future__ import annotations
+
+import subprocess
+import sys
+from pathlib import Path
+
+from utils import check_openscad, ask_optional_float
+
+
+BASE_DIR = Path(__file__).resolve().parent
+SCAD_DIR = BASE_DIR / "esp32"
+SCAD_FILE = SCAD_DIR / "esp32s3_devkitc1_case.scad"
+OUT_DIR = BASE_DIR / "stl"
+
+BOARD_PARAMS = [
+    ("pcb_l", "PCB length, USB-C end to antenna end (pcb_l) in mm"),
+    ("pcb_w", "PCB width (pcb_w) in mm"),
+    ("pin_below", "PCB underside to pin tips (pin_below) in mm"),
+    ("header_x0", "First pin centre, measured from the USB end (header_x0) in mm"),
+]
+
+
+def render_scad(scad_file: Path, out_file: Path, part: str, overrides: dict[str, float]) -> None:
+    cmd = ["openscad", "-D", f'part="{part}"']
+    for name, value in overrides.items():
+        cmd += ["-D", f"{name}={value}"]
+    cmd += ["-o", str(out_file), str(scad_file)]
+
+    result = subprocess.run(
+        cmd,
+        cwd=BASE_DIR,
+        text=True,
+        capture_output=True,
+    )
+
+    if result.returncode != 0:
+        print(f"\nFailed to render {part} from {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()
+
+    if not SCAD_DIR.exists():
+        raise SystemExit(f"Missing SCAD directory: {SCAD_DIR}")
+    if not SCAD_FILE.exists():
+        raise SystemExit(f"Missing file: {SCAD_FILE}")
+
+    print("ESP32-S3-DevKitC-1 case generator (base + lid).")
+    print("Measure your board and enter the values, or press Enter to keep the defaults of the .scad file.\n")
+
+    overrides: dict[str, float] = {}
+    for name, prompt in BOARD_PARAMS:
+        value = ask_optional_float(f"{prompt}")
+        if value is not None:
+            overrides[name] = value
+
+    OUT_DIR.mkdir(parents=True, exist_ok=True)
+
+    render_scad(SCAD_FILE, OUT_DIR / "esp32s3_devkitc1_case.stl", "print", overrides)
+
+    print("\nDone.")
+
+
+if __name__ == "__main__":
+    main()