127 lines
2.8 KiB
Python
127 lines
2.8 KiB
Python
#!/bin/python3
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from __future__ import annotations
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import subprocess
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import sys
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from pathlib import Path
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from utils import ask_int, ask_float
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BASE_DIR = Path(__file__).resolve().parent
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SCAD_DIR = BASE_DIR / "seedlings_tray"
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OUT_DIR = BASE_DIR / "stl"
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def render_scad(
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scad_file: Path,
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out_file: Path,
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cols: int,
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rows: int,
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cell_size: float,
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tray_height: float,
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water_tray_height: float,
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render_mode: str,
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) -> None:
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cmd = [
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"openscad",
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"-D", f"cols={cols}",
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"-D", f"rows={rows}",
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"-D", f"cell_size={cell_size}",
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"-D", f"tray_height={tray_height}",
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"-D", f"water_tray_height={water_tray_height}",
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"-D", f'render_mode="{render_mode}"',
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"-o", str(out_file),
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str(scad_file),
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]
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result = subprocess.run(
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cmd,
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cwd=BASE_DIR,
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text=True,
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capture_output=True,
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)
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if result.returncode != 0:
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print(f"\nFailed to render {scad_file.name} ({render_mode})")
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if result.stdout:
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print(result.stdout)
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if result.stderr:
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print(result.stderr, file=sys.stderr)
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raise SystemExit(result.returncode)
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print(f"Generated {out_file}")
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def main() -> None:
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if not SCAD_DIR.exists():
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raise SystemExit(f"Missing SCAD directory: {SCAD_DIR}")
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print("Dimensions less than 20 mm may result in unusable STL files.\n")
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cols = ask_int("Number of columns (cols): ")
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rows = ask_int("Number of rows (rows): ")
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cell_size = ask_float("Inner cell size in mm (cell_size): ")
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tray_height = ask_float("Tray height in mm (tray_height): ")
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water_tray_height = ask_float("Water tray wall height in mm (water_tray_height): ")
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OUT_DIR.mkdir(parents=True, exist_ok=True)
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scad_file = SCAD_DIR / "seedlings-tray.scad"
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if not scad_file.exists():
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raise SystemExit(f"Missing file: {scad_file}")
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# seedling tray
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render_scad(
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scad_file,
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OUT_DIR / "seedlings-tray.stl",
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cols,
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rows,
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cell_size,
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tray_height,
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water_tray_height,
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"tray_only",
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)
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# removable plates
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render_scad(
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scad_file,
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OUT_DIR / "plates.stl",
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cols,
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rows,
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cell_size,
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tray_height,
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water_tray_height,
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"plates_only",
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)
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# water tray
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render_scad(
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scad_file,
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OUT_DIR / "water-tray.stl",
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cols,
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rows,
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cell_size,
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tray_height,
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water_tray_height,
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"water_tray_only",
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)
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# pressing tool
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render_scad(
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scad_file,
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OUT_DIR / "pusher-tool.stl",
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cols,
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rows,
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cell_size,
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tray_height,
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water_tray_height,
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"tool_only",
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)
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print("\nDone.")
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if __name__ == "__main__":
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main()
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