README.md

@@ -1,6 +1,7 @@
 # Cosplay
 
-This is the design repository for NorCal Hakkero Factory No. 1.
+This is the design repository for NorCal Hakkero Factory No. 1, where we use
+parametric CAD to make cosplay props.
 
 ## Development
 
@@ -15,6 +16,12 @@ and this should succeed
 python3 -c "import nhf"
 ```
 
+To visualize an object, create a file `visualize.py`, and run `cq-editor`:
+
+``` sh
+python3 -m cq_editor visualize.py
+```
+
 ## Testing
 
 Run all tests with

nhf/build.py

@@ -90,7 +90,7 @@ class Target:
                 x = (
                     Cq.Workplane()
                     .add(x._faces)
-                    .add(x._wires)
+                    .add(x.wires)
                     .add(x._edges)
                 )
             assert isinstance(x, Cq.Workplane)

nhf/tool/light_panel.py

@@ -0,0 +1,121 @@
+from dataclasses import dataclass
+import cadquery as Cq
+from nhf import Material, Role
+from nhf.build import Model, target, assembly, TargetKind, submodel
+from nhf.parts.box import MountingBox, Hole
+from nhf.parts.electronics import ArduinoUnoR3
+import nhf.utils
+
+@dataclass
+class LightPanel(Model):
+
+    # Dimensions of the base panel
+    length: float = 300.0
+    width: float = 200.0
+
+    grid_height: float = 30.0
+    grid_top_height: float = 5.0
+    # Distance from grid to edge
+    grid_margin: float = 20.0
+    # Number of holes in each row of the grid
+    grid_holes: int = 9
+    grid_layers: int = 6
+    grid_hole_width: float = 15.0
+
+    base_thickness: float = 25.4/16
+    grid_thickness: float = 25.4/4
+    base_material: Material = Material.WOOD_BIRCH
+    grid_material: Material = Material.ACRYLIC_TRANSPARENT
+
+    controller: ArduinoUnoR3 = ArduinoUnoR3()
+
+    def __post_init__(self):
+        assert self.grid_holes >= 2
+        super().__init__(name="light-panel")
+
+    @target(name="grid", kind=TargetKind.DXF)
+    def grid_profile(self):
+        w = self.length - self.grid_margin * 2
+        h = self.grid_height + self.grid_top_height
+
+        # The width of one hole (w0) satisfies
+        # n * w0 + (n+1) t = w
+        # where t is the thickness of the edge
+        n = self.grid_holes
+        w0 = self.grid_hole_width
+        t = (w - n * w0) / (n + 1)
+        # The spacing is such that the first and last holes are a distance `margin`
+        # away from the edges, so it satisfies
+        # t + w0/2 + (n-1) * s + w0/2 + t = w
+        step = (w - t*2 - w0) / (n - 1)
+        return (
+            Cq.Sketch()
+            .push([(0, h/2)])
+            .rect(w, h)
+            .push([
+                (i * step + t + w0/2 - w/2, self.grid_height/2)
+                for i in range(0, n)
+            ])
+            .rect(w0, self.grid_height, mode='s')
+        )
+
+    def grid(self) -> Cq.Workplane:
+        return (
+            Cq.Workplane('XY')
+            .placeSketch(self.grid_profile())
+            .extrude(self.grid_thickness)
+        )
+
+    @submodel(name="base")
+    def base(self) -> MountingBox:
+        xshift = self.length / 2 - self.controller.length - self.grid_margin / 2
+        yshift = self.grid_margin / 2
+        holes = [
+            Hole(
+                x=x + xshift, y=y + yshift,
+                diam=self.controller.hole_diam,
+                tag=f"controller_conn{i}",
+            )
+            for i, (x, y) in enumerate(self.controller.holes)
+        ]
+        return MountingBox(
+            holes=holes,
+            hole_diam=self.controller.hole_diam,
+            length=self.length,
+            width=self.width,
+            centred=(True, False),
+            thickness=self.base_thickness,
+        )
+
+    def assembly(self) -> Cq.Assembly:
+        assembly = (
+            Cq.Assembly()
+            .addS(
+                self.base().generate(),
+                name="base",
+                role=Role.STRUCTURE,
+                material=self.base_material,
+            )
+        )
+        # Grid thickness t is fixed, so the spacing of the grid satisfies
+        # margin + t + (n-1) * spacing + margin = width
+        spacing = (self.width - 2 * self.grid_margin - self.grid_thickness) / (self.grid_layers - 1)
+        shift = self.grid_margin + self.grid_thickness / 2
+        for i in range(self.grid_layers):
+            assembly = assembly.addS(
+                self.grid(),
+                name=f"grid_{i}",
+                role=Role.STRUCTURE,
+                material=self.grid_material,
+                loc=Cq.Location(0, spacing * i + shift, self.base_thickness, 90, 0, 0),
+            )
+        return assembly
+
+
+if __name__ == '__main__':
+    import sys
+
+    p = LightPanel()
+    if len(sys.argv) == 1:
+        p.build_all()
+        sys.exit(0)

pyproject.toml

@@ -8,13 +8,21 @@ readme = "README.md"
 [tool.poetry.dependencies]
 python = "^3.10"
 cadquery = {git = "https://github.com/CadQuery/cadquery.git"}
-build123d = "^0.5.0"
-numpy = "^1.26.4"
+#build123d = "^0.5.0"
+numpy = ">=2,<3"
 colorama = "^0.4.6"
 
 # cadquery dependency
 multimethod = "^1.12"
 scipy = "^1.14.0"
+typish = "^1.9.3"
+
+[tool.poetry.group.dev.dependencies]
+cq-editor = {git = "https://github.com/CadQuery/CQ-editor.git"}
+pyqt5 = "^5.15.11"
+logbook = "^1.8.0"
+spyder = "^5"
+pyqtgraph = "^0.13.7"
 
 [build-system]
 requires = ["poetry-core"]