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svg2stl/svg2stl.sh
2025-11-27 18:23:55 +01:00

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#!/bin/bash
# --- CONFIGURATION ---
# 1. Dimensions (Millimeters)
# Set the desired width in mm (e.g. 55.15).
# Leave as "0" to keep the original size from the SVG.
TARGET_WIDTH_MM="45.08"
# Thickness of the 3D model in mm
THICKNESS_MM="0.1"
# 2. Inkscape Settings
# DPI based on the 3D printer resolution (e.g. 1494 for Anycubic Photon Mono 4)
EXPORT_DPI=1494
# ---------------------
# 1. Check Input
if [ -z "$1" ]; then
echo "Error: No input file provided."
echo "Usage: ./svg2stl.sh <input.svg>"
exit 1
fi
# 2. Setup Absolute Paths
INPUT_FILE="$(readlink -f "$1")"
WORK_DIR="$(dirname "$INPUT_FILE")"
BASENAME="$(basename "$INPUT_FILE" .svg)"
TEMP_SVG="$WORK_DIR/${BASENAME}_temp_processed.svg"
OUTPUT_STL="$WORK_DIR/$BASENAME.stl"
# 3. Inkscape Processing
# Note: We do NOT resize here. We export high-res geometry and resize in Blender.
ACTIONS="select-by-element:text;delete;select-all;object-stroke-to-path;path-union;export-plain-svg;export-filename:$TEMP_SVG;export-do"
INK_ARGS="--export-dpi=$EXPORT_DPI --actions=$ACTIONS"
echo "------------------------------------------------"
echo "Step 1: Inkscape Processing"
echo "Input: $INPUT_FILE"
echo "------------------------------------------------"
inkscape "$INPUT_FILE" $INK_ARGS
if [ ! -f "$TEMP_SVG" ]; then
echo "ERROR: Inkscape failed to create the temp file."
exit 1
fi
echo "------------------------------------------------"
echo "Step 2: Blender Processing"
echo "Target Width: ${TARGET_WIDTH_MM} mm"
echo "Target Thickness: ${THICKNESS_MM} mm"
echo "------------------------------------------------"
# Pass Width and Thickness to Python
blender --background --python pcb_to_stl.py -- "$TEMP_SVG" "$OUTPUT_STL" "$THICKNESS_MM" "$TARGET_WIDTH_MM"
# 4. Cleanup
rm "$TEMP_SVG"
echo "Done! Saved to $OUTPUT_STL"