Open Box :)

cad/drawers/tools/box_folding_tool.scad

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+// Customizable parameters for the box folding tool
+// These values are based on the provided screenshot.
+
+// Overall dimensions
+TotalWidth = 500; // [100:1000]
+TotalLength = 500; // [100:1000]
+Height = 80;      // [20:200]
+
+// Material and slot properties
+TotalThickness = 5;  // [1:20]
+BaseThickness = 3;   // [0.5:19]
+Slot_Width_Walls = 8; // [1:20]
+
+// Internal grid configuration
+Nb_Boxes_U = 2; // [1:10]
+Nb_Boxes_V = 2; // [1:10]
+
+// View control
+Folded_View = false; // [true, false]
+// Use "export" to render all parts separately for STEP conversion
+view_mode = "preview"; // ["preview", "export"]
+
+// Note: InnerBox_Width from the screenshot (100) is not used directly.
+// Instead, the compartment widths are calculated based on TotalWidth, Height, and Nb_Boxes_U/V.
+// This ensures the design remains consistent with the overall dimensions.
+
+// ---------------------------------------------------------------------
+// Main module to generate the box folding pattern
+// ---------------------------------------------------------------------
+module unfolded_pattern() {
+    GrooveDepth = TotalThickness - BaseThickness;
+
+    difference() {
+        // 1. Create the base plate
+        cube([TotalWidth, TotalLength, TotalThickness], center = true);
+
+        // 2. Create the cutting grooves
+        translate([0, 0, TotalThickness/2 - GrooveDepth/2]) {
+            // Grooves for the main box walls
+            wall_grooves();
+
+            // Grooves for internal compartments
+            if (Nb_Boxes_U > 1 || Nb_Boxes_V > 1) {
+                internal_grooves();
+            }
+        }
+    }
+}
+
+// ---------------------------------------------------------------------
+// Helper modules
+// ---------------------------------------------------------------------
+
+// Module for creating the grooves for the outer walls
+module wall_grooves() {
+    InnerWidth = TotalWidth - 2 * Height;
+    InnerLength = TotalLength - 2 * Height;
+    GrooveDepth = TotalThickness - BaseThickness;
+
+    // Grooves parallel to Y-axis (vertical)
+    translate([-InnerWidth/2, 0, 0]) 
+        cube([Slot_Width_Walls, TotalLength, GrooveDepth], center=true);
+    translate([InnerWidth/2, 0, 0])
+        cube([Slot_Width_Walls, TotalLength, GrooveDepth], center=true);
+
+    // Grooves parallel to X-axis (horizontal)
+    translate([0, -InnerLength/2, 0])
+        cube([TotalWidth, Slot_Width_Walls, GrooveDepth], center=true);
+    translate([0, InnerLength/2, 0])
+        cube([TotalWidth, Slot_Width_Walls, GrooveDepth], center=true);
+}
+
+// Module for creating the grooves for the internal compartments
+module internal_grooves() {
+    InnerWidth = TotalWidth - 2 * Height;
+    InnerLength = TotalLength - 2 * Height;
+    GrooveDepth = TotalThickness - BaseThickness;
+    
+    CompartmentWidth = (InnerWidth - (Nb_Boxes_U - 1) * Slot_Width_Walls) / Nb_Boxes_U;
+    CompartmentLength = (InnerLength - (Nb_Boxes_V - 1) * Slot_Width_Walls) / Nb_Boxes_V;
+
+    // Internal vertical grooves
+    if (Nb_Boxes_U > 1) {
+        for (i = [1 : Nb_Boxes_U - 1]) {
+            x_pos = -InnerWidth/2 + i * CompartmentWidth + (i - 1/2) * Slot_Width_Walls;
+            translate([x_pos, 0, 0])
+                cube([Slot_Width_Walls, InnerLength, GrooveDepth], center = true);
+        }
+    }
+
+    // Internal horizontal grooves
+    if (Nb_Boxes_V > 1) {
+        for (i = [1 : Nb_Boxes_V - 1]) {
+            y_pos = -InnerLength/2 + i * CompartmentLength + (i - 1/2) * Slot_Width_Walls;
+            translate([0, y_pos, 0])
+                cube([InnerWidth, Slot_Width_Walls, GrooveDepth], center = true);
+        }
+    }
+}
+
+// ---------------------------------------------------------------------
+// Modules for Folded View
+// ---------------------------------------------------------------------
+
+// Generates the fully assembled 3D box
+module folded_box() {
+    // Inner dimensions of the box
+    InnerWidth = TotalWidth - 2 * Height;
+    InnerLength = TotalLength - 2 * Height;
+    
+    // Material thickness for all parts
+    wall_thickness = TotalThickness;
+
+    // 1. Base Plate
+    translate([0, 0, wall_thickness / 2])
+        cube([InnerWidth, InnerLength, wall_thickness], center = true);
+
+    // 2. Outer Walls
+    // South Wall (bottom) - Full Width
+    translate([0, -InnerLength/2, Height/2 + wall_thickness]) 
+        rotate([90, 0, 0]) 
+            cube([InnerWidth, Height, wall_thickness], center=true);
+
+    // North Wall (top) - Full Width
+    translate([0, InnerLength/2, Height/2 + wall_thickness]) 
+        rotate([-90, 0, 0]) 
+            cube([InnerWidth, Height, wall_thickness], center=true);
+
+    // West Wall (left) - Shortened to fit between North/South walls
+    translate([-InnerWidth/2, 0, Height/2 + wall_thickness]) 
+        rotate([0, 90, 0]) 
+            cube([Height, InnerLength - 2 * wall_thickness, wall_thickness], center=true);
+
+    // East Wall (right) - Shortened to fit between North/South walls
+    translate([InnerWidth/2, 0, Height/2 + wall_thickness]) 
+        rotate([0, -90, 0]) 
+            cube([Height, InnerLength - 2 * wall_thickness, wall_thickness], center=true);
+
+    // 3. Internal Dividers
+    internal_dividers_folded();
+}
+
+// Generates the interlocking internal dividers for the folded view
+module internal_dividers_folded() {
+    InnerWidth = TotalWidth - 2 * Height;
+    InnerLength = TotalLength - 2 * Height;
+    divider_thickness = Slot_Width_Walls; // Use slot width as the divider material thickness
+    
+    // Calculate compartment sizes
+    Compartment_U = (InnerWidth + divider_thickness) / Nb_Boxes_U;
+    Compartment_V = (InnerLength + divider_thickness) / Nb_Boxes_V;
+
+    // Vertical dividers (U-direction)
+    for (i = [1 : Nb_Boxes_U - 1]) {
+        x_pos = -InnerWidth/2 + i * Compartment_U - divider_thickness/2;
+        difference() {
+            // Main divider piece
+            translate([x_pos, 0, Height/2 + TotalThickness])
+                cube([divider_thickness, InnerLength, Height], center=true);
+            // Slots for horizontal dividers (top-down)
+            for (j = [1 : Nb_Boxes_V - 1]) {
+                y_pos = -InnerLength/2 + j * Compartment_V - divider_thickness/2;
+                translate([x_pos, y_pos, Height * 0.75 + TotalThickness])
+                    cube([divider_thickness + 0.1, divider_thickness, Height/2], center=true);
+            }
+        }
+    }
+
+    // Horizontal dividers (V-direction)
+    for (j = [1 : Nb_Boxes_V - 1]) {
+        y_pos = -InnerLength/2 + j * Compartment_V - divider_thickness/2;
+        difference() {
+            // Main divider piece
+            translate([0, y_pos, Height/2 + TotalThickness])
+                cube([InnerWidth, divider_thickness, Height], center=true);
+            // Slots for vertical dividers (bottom-up)
+            for (i = [1 : Nb_Boxes_U - 1]) {
+                x_pos = -InnerWidth/2 + i * Compartment_U - divider_thickness/2;
+                translate([x_pos, y_pos, Height * 0.25 + TotalThickness])
+                    cube([divider_thickness, divider_thickness + 0.1, Height/2], center=true);
+            }
+        }
+    }
+}
+
+// ---------------------------------------------------------------------
+// Module for exporting all parts separately
+// ---------------------------------------------------------------------
+module export_layout() {
+    wall_thickness = TotalThickness;
+    InnerWidth = TotalWidth - 2 * Height;
+    InnerLength = TotalLength - 2 * Height;
+    
+    // 1. Base Plate
+    translate([0, 0, -TotalThickness/2])
+        cube([InnerWidth, InnerLength, wall_thickness], center = true);
+    
+    // Spacing for laying out parts
+    spacing = TotalWidth;
+
+    // 2. Outer Walls
+    translate([spacing, 0, 0])
+        cube([InnerWidth, Height, wall_thickness], center=true); // South
+    translate([spacing, Height + 10, 0])
+        cube([InnerWidth, Height, wall_thickness], center=true); // North
+        
+    translate([spacing + InnerWidth + 10, 0, 0])
+        cube([InnerLength - 2 * wall_thickness, Height, wall_thickness], center=true); // West
+    translate([spacing + InnerWidth + 10, Height + 10, 0])
+        cube([InnerLength - 2 * wall_thickness, Height, wall_thickness], center=true); // East
+
+    // 3. Internal Dividers
+    divider_thickness = Slot_Width_Walls;
+    Compartment_U = (InnerWidth + divider_thickness) / Nb_Boxes_U;
+    Compartment_V = (InnerLength + divider_thickness) / Nb_Boxes_V;
+    
+    // Place all vertical dividers in a row
+    for (i = [1 : Nb_Boxes_U - 1]) {
+        translate([2 * spacing + (i-1)*(divider_thickness+10), 0, 0])
+            internal_divider_vertical_export(InnerLength, Compartment_V);
+    }
+    
+    // Place all horizontal dividers in a row
+    for (j = [1 : Nb_Boxes_V - 1]) {
+        translate([2 * spacing, (j-1)*(Height+10) + Height + 10, 0])
+            internal_divider_horizontal_export(InnerWidth, Compartment_U);
+    }
+}
+
+// Helper modules for export layout (without difference operations)
+module internal_divider_vertical_export(length, compartment_v_size) {
+    divider_thickness = Slot_Width_Walls;
+    difference() {
+        cube([divider_thickness, length, Height], center=true);
+        // Notches for horizontal dividers (bottom-up)
+        for (i = [1 : Nb_Boxes_V - 1]) {
+            y_pos = -length/2 + i * compartment_v_size - divider_thickness/2;
+            translate([0, y_pos, -Height/4]) 
+                cube([divider_thickness + 0.1, divider_thickness, Height/2], center=true);
+        }
+    }
+}
+
+module internal_divider_horizontal_export(length, compartment_u_size) {
+    divider_thickness = Slot_Width_Walls;
+    difference() {
+        cube([length, divider_thickness, Height], center=true);
+        // Notches for vertical dividers (top-down)
+        for (j = [1 : Nb_Boxes_U - 1]) {
+            x_pos = -length/2 + j * compartment_u_size - divider_thickness/2;
+            translate([x_pos, 0, Height/4])
+                cube([divider_thickness, divider_thickness + 0.1, Height/2], center=true);
+        }
+    }
+}
+
+// ---------------------------------------------------------------------
+// Render the final object
+// ---------------------------------------------------------------------
+if (view_mode == "export") {
+    export_layout();
+} else {
+    if (Folded_View) {
+        folded_box();
+    } else {
+        unfolded_pattern();
+    }
+} 

cad/drawers/tools/box_folding_tool_true.stl

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+endsolid OpenSCAD_Model

cad/drawers/tools/converter.py

@@ -0,0 +1,82 @@
+# converter.py
+# A Python script for use with FreeCAD's command-line interface.
+# Converts a mesh file (like STL) into a solid model and exports it to STEP.
+
+import sys
+import FreeCAD
+import Part
+import Mesh
+
+# --- Argument Validation ---
+# The script name is sys.argv[0], followed by FreeCAD's internal args.
+# The actual script arguments start after that. We expect two: input and output files.
+# FreeCAD adds its own arguments, so we find our files at the end of the list.
+if len(sys.argv) < 3:
+    print("Converter script usage: <input_file> <output_file>")
+    sys.exit(1)
+
+input_file_path = sys.argv[-2]
+output_file_path = sys.argv[-1]
+
+print(f"Input file: {input_file_path}")
+print(f"Output file: {output_file_path}")
+
+# --- Conversion Logic ---
+try:
+    # 1. Load the mesh from the input STL file
+    mesh = Mesh.read(input_file_path)
+
+    # 2. Split the mesh into its separate, unconnected components (shells)
+    components = mesh.getSeparateComponents()
+    print(f"Found {len(components)} separate components in the mesh.")
+
+    # 3. Convert each component mesh into a solid shape
+    solids = []
+    for i, component_mesh in enumerate(components):
+        try:
+            # Create a shape from the mesh component
+            shape = Part.Shape()
+            shape.makeShapeFromMesh(component_mesh.Topology, 0.1)
+
+            # Use a more robust method to ensure the shape is a solid
+            # This can fix minor issues and is more reliable than direct conversion.
+            if not shape.isNull() and shape.Faces:
+                solid = Part.Solid(Part.Shell(shape.Faces))
+                if solid.Volume > 0:
+                    solids.append(solid)
+                else:
+                    # If creating a solid fails, try refining it first.
+                    refined_shape = shape.removeSplitter()
+                    if not refined_shape.isNull() and refined_shape.Faces:
+                        solid = Part.Solid(Part.Shell(refined_shape.Faces))
+                        if solid.Volume > 0:
+                            solids.append(solid)
+                        else:
+                             print(f"Warning: Component {i+1} could not be converted to a solid after refining.")
+                    else:
+                        print(f"Warning: Component {i+1} became null after refining.")
+            else:
+                 print(f"Warning: Component {i+1} could not be converted to a shape.")
+
+        except Exception as ex:
+             print(f"Warning: An exception occurred while processing component {i+1}: {ex}")
+
+    if not solids:
+        print("Error: No valid solids could be created from the mesh.")
+        sys.exit(1)
+
+    # 4. Combine all solids into a single compound part for export
+    if len(solids) > 1:
+        result_shape = Part.Compound(solids)
+    else:
+        result_shape = solids[0]
+
+    # 5. Export the final shape to a STEP file
+    result_shape.exportStep(output_file_path)
+
+    print("STEP export completed successfully.")
+    sys.exit(0)
+
+except Exception as e:
+    print(f"An error occurred during FreeCAD conversion: {e}")
+    sys.exit(1) 

cad/drawers/tools/export_step.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# --- export_step.sh ---
+# Converts an OpenSCAD file to a STEP file using FreeCAD.
+#
+# !! REQUIRES FREECAD !!
+# This script depends on FreeCAD being installed and 'FreeCADCmd.exe'
+# being available in your system's PATH.
+#
+# Usage: ./export_step.sh <source.scad> [output.step]
+#
+# Arguments:
+#   $1: source_file  - Input .scad file (Required)
+#   $2: output_file  - Output .step file (Optional)
+
+# --- Input Validation ---
+if [ -z "$1" ]; then
+    echo "Usage: $0 <source.scad> [output.step]"
+    echo "Error: Source file not specified."
+    exit 1
+fi
+
+# --- Argument Parsing ---
+SOURCE_FILE="$1"
+OUTPUT_FILE="$2"
+
+# --- Set Default Output Filename ---
+if [ -z "$OUTPUT_FILE" ]; then
+    OUTPUT_FILE="${SOURCE_FILE%.scad}.step"
+fi
+
+# --- Define Temporary STL file ---
+TEMP_STL_FILE="temp_conversion.stl"
+
+# --- Step 1: Export from OpenSCAD to STL ---
+echo "Step 1/3: Exporting '$SOURCE_FILE' to STL using dedicated export layout..."
+openscad \
+    -o "$TEMP_STL_FILE" \
+    -D "view_mode=\"export\"" \
+    "$SOURCE_FILE"
+
+if [ $? -ne 0 ]; then
+    echo "Error: OpenSCAD export failed."
+    exit 1
+fi
+echo "STL export successful."
+
+# --- Step 2: Convert STL to STEP using FreeCAD ---
+echo "Step 2/3: Converting '$TEMP_STL_FILE' to '$OUTPUT_FILE' using FreeCAD..."
+# Note: Assuming FreeCADCmd.exe for Windows. Use 'freecadcmd' on Linux.
+FreeCADCmd.exe -c converter.py "$TEMP_STL_FILE" "$OUTPUT_FILE"
+
+if [ $? -ne 0 ]; then
+    echo "Error: FreeCAD conversion failed. Is FreeCAD installed and in your PATH?"
+    rm -f "$TEMP_STL_FILE" # Clean up temp file
+    exit 1
+fi
+echo "STEP conversion successful."
+
+# --- Step 3: Clean up temporary files ---
+echo "Step 3/3: Cleaning up temporary files..."
+rm -f "$TEMP_STL_FILE"
+echo "Done."
+
+# --- Completion Message ---
+echo "Export complete: '$OUTPUT_FILE' created successfully." 

cad/drawers/tools/export_stl.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+
+# --- export_stl.sh ---
+# Exports an OpenSCAD file to an STL file.
+#
+# Usage: ./export_stl.sh <source.scad> [output.stl] [folded_state]
+#
+# Arguments:
+#   $1: source_file  - Input .scad file (Required)
+#   $2: output_file  - Output .stl file (Optional)
+#   $3: folded_state - 'true' or 'false'. (Optional, defaults to 'true' for a solid model)
+
+# --- Input Validation ---
+if [ -z "$1" ]; then
+    echo "Usage: $0 <source.scad> [output.stl] [folded_state]"
+    echo "Error: Source file not specified."
+    exit 1
+fi
+
+# --- Argument Parsing ---
+SOURCE_FILE="$1"
+OUTPUT_FILE=""
+# Default to 'true' as we usually want to export the assembled solid model
+FOLDED_STATE="true" 
+
+# Case 1: All three arguments are provided
+if [ -n "$3" ]; then
+    OUTPUT_FILE="$2"
+    FOLDED_STATE="$3"
+# Case 2: Only two arguments are provided
+elif [ -n "$2" ]; then
+    # Check if the second argument is the folded state or a filename
+    if [[ "$2" == "true" || "$2" == "false" ]]; then
+        FOLDED_STATE="$2"
+    else
+        OUTPUT_FILE="$2"
+    fi
+fi
+
+# --- Set Default Output Filename ---
+if [ -z "$OUTPUT_FILE" ]; then
+    OUTPUT_FILE="${SOURCE_FILE%.scad}_${FOLDED_STATE}.stl"
+fi
+
+# --- OpenSCAD Export Command ---
+# -D: Overrides a variable in the OpenSCAD script.
+echo "Exporting '$SOURCE_FILE' to '$OUTPUT_FILE' with Folded_View=$FOLDED_STATE..."
+openscad \
+    -o "$OUTPUT_FILE" \
+    -D "Folded_View=$FOLDED_STATE" \
+    "$SOURCE_FILE"
+
+# --- Completion Message ---
+if [ $? -eq 0 ]; then
+    echo "Export complete: '$OUTPUT_FILE' created successfully."
+else
+    echo "Error: OpenSCAD export failed."
+    exit 1
+fi 

cad/drawers/tools/render.sh

@@ -0,0 +1,64 @@
+#!/bin/bash
+
+# --- render.sh ---
+# Renders an OpenSCAD file to a PNG image.
+#
+# Usage: ./render.sh <source_file.scad> [output_file.png] [folded_state]
+#
+# Arguments:
+#   $1: source_file  - The path to the input OpenSCAD file. (Required)
+#   $2: output_file  - The path for the output PNG image. (Optional)
+#   $3: folded_state - 'true' or 'false' to control the Folded_View parameter.
+#                      (Optional, defaults to false)
+
+# --- Input Validation ---
+if [ -z "$1" ]; then
+    echo "Usage: $0 <source_file.scad> [output_file.png] [folded_state]"
+    echo "Error: Source file not specified."
+    exit 1
+fi
+
+# --- Argument Parsing ---
+SOURCE_FILE="$1"
+OUTPUT_FILE=""
+FOLDED_STATE="false" # Default value
+
+# Case 1: All three arguments are provided
+if [ -n "$3" ]; then
+    OUTPUT_FILE="$2"
+    FOLDED_STATE="$3"
+# Case 2: Only two arguments are provided
+elif [ -n "$2" ]; then
+    # Check if the second argument is the folded state or a filename
+    if [[ "$2" == "true" || "$2" == "false" ]]; then
+        FOLDED_STATE="$2"
+    else
+        OUTPUT_FILE="$2"
+    fi
+fi
+
+# --- Set Default Output Filename ---
+if [ -z "$OUTPUT_FILE" ]; then
+    # Removes the .scad extension and appends .png
+    OUTPUT_FILE="${SOURCE_FILE%.scad}_${FOLDED_STATE}.png"
+fi
+
+# --- OpenSCAD Render Command ---
+# --view=iso: Sets the camera to a standard isometric view.
+# --imgsize: Sets the output image resolution.
+# -D: Overrides a variable in the OpenSCAD script.
+echo "Rendering '$SOURCE_FILE' to '$OUTPUT_FILE' with Folded_View=$FOLDED_STATE..."
+openscad \
+    -o "$OUTPUT_FILE" \
+    --view=iso \
+    --imgsize=1024,768 \
+    -D "Folded_View=$FOLDED_STATE" \
+    "$SOURCE_FILE"
+
+# --- Completion Message ---
+if [ $? -eq 0 ]; then
+    echo "Render complete: '$OUTPUT_FILE' created successfully."
+else
+    echo "Error: OpenSCAD rendering failed."
+    exit 1
+fi