extract figures in separate files

1 files changed, 197 insertions, 0 deletions

diff --git a/diagrams/u-channel-cover.typ b/diagrams/u-channel-cover.typ
new file mode 100644
index 0000000..345e2b7
--- /dev/null
+++ b/diagrams/u-channel-cover.typ
@@ -0,0 +1,197 @@
+#import "../lib/unify.typ": qty
+#import "@preview/cetz:0.5.2"
+
+#figure(
+  cetz.canvas({
+    import cetz.draw: *
+
+    // Scale factor: 1 mm = 0.060 drawing units
+    let s = 0.060
+
+    let h = 165.1 * s // 4.953 mm
+    let d = 152.4 * s // 4.572 mm
+    let w = 35.7 * s // 1.071 mm
+    let f = 8.0 * s // 0.240 mm (8 mm flange overlap)
+    let t = 1.2 * s // Sheet metal thickness (1.2 mm)
+
+    let y-bot = 0
+    let y-top = h
+
+    // ==========================================
+    // 1. FRONT ELEVATION (U-Profile End View: 35.7 x 165.1 mm)
+    // ==========================================
+    let x-front-start = 0
+    let x-front-end = x-front-start + w
+    let x-front-mid = (x-front-start + x-front-end) / 2
+
+    // View Title
+    content((x-front-mid, y-top + 0.8), text(
+      size: 8.5pt,
+      weight: "bold",
+    )[FRONT ELEVATION])
+
+    // U-Channel Sheet Metal Cross-Section Outline
+    // Top Limb
+    rect(
+      (x-front-start, y-top - t),
+      (x-front-end, y-top),
+      fill: luma(210),
+      stroke: 0.8pt + black,
+    )
+    // Right Side Wall
+    rect(
+      (x-front-end - t, y-bot),
+      (x-front-end, y-top),
+      fill: luma(230),
+      stroke: 0.8pt + black,
+    )
+    // Bottom Limb
+    rect(
+      (x-front-start, y-bot),
+      (x-front-end, y-bot + t),
+      fill: luma(210),
+      stroke: 0.8pt + black,
+    )
+
+    // Inner Cavity Hatch/Indicator Line
+    line(
+      (x-front-start, y-bot + t),
+      (x-front-end - t, y-bot + t),
+      (x-front-end - t, y-top - t),
+      (x-front-start, y-top - t),
+      stroke: (paint: luma(140), thickness: 0.5pt, dash: "dotted"),
+    )
+
+    // Front Width Dimension (35.7 mm)
+    line(
+      (x-front-start, y-bot),
+      (x-front-start, y-bot - 0.6),
+      stroke: 0.4pt + luma(140),
+    )
+    line(
+      (x-front-end, y-bot),
+      (x-front-end, y-bot - 0.6),
+      stroke: 0.4pt + luma(140),
+    )
+    line(
+      (x-front-start, y-bot - 0.6),
+      (x-front-end, y-bot - 0.6),
+      mark: (start: "stealth", end: "stealth"),
+      mark-size: 0.10,
+      stroke: 0.6pt + black,
+    )
+    content((x-front-mid, y-bot - 0.9), text(size: 7pt)[$qty(35.7, "mm")$])
+
+    // Front Height Dimension (165.1 mm)
+    line(
+      (x-front-start, y-bot),
+      (x-front-start - 0.6, y-bot),
+      stroke: 0.4pt + luma(140),
+    )
+    line(
+      (x-front-start, y-top),
+      (x-front-start - 0.6, y-top),
+      stroke: 0.4pt + luma(140),
+    )
+    line(
+      (x-front-start - 0.6, y-bot),
+      (x-front-start - 0.6, y-top),
+      mark: (start: "stealth", end: "stealth"),
+      mark-size: 0.10,
+      stroke: 0.6pt + black,
+    )
+    content(
+      (x-front-start - 0.9, (y-bot + y-top) / 2),
+      text(size: 7pt)[$qty(165.1, "mm")$],
+      angle: 90deg,
+    )
+
+    // ==========================================
+    // 2. RIGHT ELEVATION (Inner Face View: 152.4 x 165.1 mm)
+    // ==========================================
+    let x-right-start = 3.5
+    let x-right-end = x-right-start + d
+    let x-right-mid = (x-right-start + x-right-end) / 2
+
+    // View Title
+    content((x-right-mid, y-top + 0.8), text(
+      size: 8.5pt,
+      weight: "bold",
+    )[RIGHT ELEVATION (INNER FACE)])
+
+    // Main Right Wall Sheet Metal Surface
+    rect(
+      (x-right-start, y-bot),
+      (x-right-end, y-top),
+      fill: luma(245),
+      stroke: 1.2pt + black,
+    )
+
+    // Masked Unpainted Perimeter Area (8mm border where it mates with L-channel flanges)
+    rect(
+      (x-right-start + f, y-bot + f),
+      (x-right-end - f, y-top - f),
+      fill: luma(230),
+      stroke: (paint: luma(130), thickness: 0.7pt, dash: "dashed"),
+    )
+    content(
+      (x-right-mid, (y-bot + y-top) / 2),
+      text(size: 7.5pt, fill: luma(100))[Painted Central Surface],
+    )
+
+    // Countersunk Through-Holes (Crosshair + concentric circles for 90-deg countersink)
+    let draw-csink(cx, cy) = {
+      circle((cx, cy), radius: 0.10, fill: white, stroke: 0.6pt + black)
+      circle((cx, cy), radius: 0.05, fill: luma(180), stroke: 0.4pt + black)
+      line((cx - 0.13, cy), (cx + 0.13, cy), stroke: 0.3pt + luma(120))
+      line((cx, cy - 0.13), (cx, cy + 0.13), stroke: 0.3pt + luma(120))
+    }
+
+    // Top & Bottom Edge Countersunk Hole Pattern (matching top/bottom flanges)
+    draw-csink(x-right-start + 30.0 * s, y-top - f / 2)
+    draw-csink(x-right-start + 122.4 * s, y-top - f / 2)
+    draw-csink(x-right-start + 30.0 * s, y-bot + f / 2)
+    draw-csink(x-right-start + 122.4 * s, y-bot + f / 2)
+
+    // Front & Rear Edge Countersunk Hole Pattern
+    draw-csink(x-right-start + f / 2, y-bot + 30.0 * s)
+    draw-csink(x-right-start + f / 2, y-top - 30.0 * s)
+    draw-csink(x-right-end - f / 2, y-bot + 30.0 * s)
+    draw-csink(x-right-end - f / 2, y-top - 30.0 * s)
+
+    // Depth Dimension (152.4 mm)
+    line(
+      (x-right-start, y-bot),
+      (x-right-start, y-bot - 0.6),
+      stroke: 0.4pt + luma(140),
+    )
+    line(
+      (x-right-end, y-bot),
+      (x-right-end, y-bot - 0.6),
+      stroke: 0.4pt + luma(140),
+    )
+    line(
+      (x-right-start, y-bot - 0.6),
+      (x-right-end, y-bot - 0.6),
+      mark: (start: "stealth", end: "stealth"),
+      mark-size: 0.10,
+      stroke: 0.6pt + black,
+    )
+    content((x-right-mid, y-bot - 0.9), text(size: 7pt)[$qty(152.4, "mm")$])
+
+    // Masked Border Callout Annotation
+    line(
+      (x-right-start + f / 2, y-top - 15.0 * s),
+      (x-right-start - 0.5, y-top - 1.0),
+      stroke: 0.5pt + black,
+    )
+    content(
+      (x-right-start - 0.5, y-top),
+      text(size: 6.5pt)[Masked unpainted perimeter \
+        (8 mm EMI contact area)],
+      anchor: "south-east",
+      angle: 90deg,
+    )
+  }),
+  caption: [Cassette U-Channel cover technical drawings showing Front Elevation (profile) and Right Elevation (inner face showing masked unpainted EMI perimeter and countersunk hole grid)],
+) <figure-cassette-uchannel-diagram>