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#import "../lib/unify.typ": qty
#import "@preview/cetz:0.5.2"
#figure(
cetz.canvas({
import cetz.draw: *
// Scale factor: 1 mm = 0.06 drawing units
let s = 0.06
let panel-w = 35.7 * s // 1.6065 units
let panel-h = 165.1 * s // 7.4295 units
let cx-panel = panel-w / 2
let cy-panel = panel-h / 2 // 82.5 mm from top/bottom
// DB-25 Cutout Dimensions (Scale for Detail View)
let ds = 0.12 // Magnified detail scale
let d-width = 33.3 * ds // Overall cutout width (33.3 mm)
let d-height = 12.5 * ds // Cutout height (12.5 mm)
let hole-spacing = 24.99 * ds // Mounting hole spacing from center / pitch
let hole-r = (3.2 / 2) * ds // 3.2 mm diameter (1.6 mm radius)
// ==========================================
// 1. REAR PANEL CUTOUT PLACEMENT VIEW (35.7 mm x 165.1 mm)
// ==========================================
let x-panel-start = 0
let y-panel-start = 0
// View Title
content((cx-panel, panel-h + 0.8), text(
size: 8.5pt,
weight: "bold",
)[REAR PANEL PLACEMENT])
content((cx-panel, panel-h + 0.45), text(
size: 7pt,
fill: luma(90),
)[(Centered Position)])
// Rear Closure Plate Outline
rect(
(x-panel-start, y-panel-start),
(x-panel-start + panel-w, y-panel-start + panel-h),
fill: luma(245),
stroke: 1.2pt + black,
)
// Centerlines on Rear Panel
line(
(x-panel-start - 0.4, cy-panel),
(x-panel-start + panel-w + 0.4, cy-panel),
stroke: (paint: luma(120), thickness: 0.4pt, dash: "dash-dotted"),
)
line(
(cx-panel, y-panel-start - 0.4),
(cx-panel, y-panel-start + panel-h + 0.4),
stroke: (paint: luma(120), thickness: 0.4pt, dash: "dash-dotted"),
)
// Small DB-25 D-Sub Cutout Representation in Center
let sm-w = 26.0 * s
let sm-h = 11.0 * s
rect(
(cx-panel - sm-w / 2, cy-panel - sm-h / 2),
(cx-panel + sm-w / 2, cy-panel + sm-h / 2),
fill: white,
stroke: 0.8pt + black,
)
circle(
(cx-panel - 12.5 * s, cy-panel),
radius: 1.6 * s,
fill: white,
stroke: 0.6pt + black,
)
circle(
(cx-panel + 12.5 * s, cy-panel),
radius: 1.6 * s,
fill: white,
stroke: 0.6pt + black,
)
// Center X Dimension Callout (17.85 mm)
line(
(x-panel-start, y-panel-start),
(x-panel-start, y-panel-start - 0.5),
stroke: 0.4pt + luma(140),
)
line(
(cx-panel, y-panel-start),
(cx-panel, y-panel-start - 0.5),
stroke: 0.4pt + luma(140),
)
line(
(x-panel-start, y-panel-start - 0.45),
(cx-panel, y-panel-start - 0.45),
mark: (start: "stealth", end: "stealth"),
mark-size: 0.08,
stroke: 0.6pt + black,
)
content((cx-panel / 2, y-panel-start - 0.7), text(
size: 6.5pt,
weight: "bold",
)[$qty(17.85, "mm")$])
// Center Y Dimension Callout (82.5 mm)
line(
(x-panel-start, y-panel-start),
(x-panel-start - 0.5, y-panel-start),
stroke: 0.4pt + luma(140),
)
line(
(x-panel-start, cy-panel),
(x-panel-start - 0.5, cy-panel),
stroke: 0.4pt + luma(140),
)
line(
(x-panel-start - 0.45, y-panel-start),
(x-panel-start - 0.45, cy-panel),
mark: (start: "stealth", end: "stealth"),
mark-size: 0.08,
stroke: 0.6pt + black,
)
content(
(x-panel-start - 0.75, cy-panel / 2),
text(size: 6.5pt, weight: "bold")[$qty(82.5, "mm")$],
angle: 90deg,
)
// ==========================================
// 2. MAGNIFIED DB-25 CUTOUT GEOMETRY DETAIL
// ==========================================
let x-det-center = 6.2
let y-det-center = cy-panel
// View Title
content((x-det-center, y-det-center + 2.2), text(
size: 8.5pt,
weight: "bold",
)[CUTOUT GEOMETRY DETAIL])
content((x-det-center, y-det-center + 1.85), text(
size: 7pt,
fill: luma(90),
)[(Standard D-Shaped DB-25 Profile)])
// Centerlines
line(
(x-det-center - 2.5, y-det-center),
(x-det-center + 2.5, y-det-center),
stroke: (paint: luma(120), thickness: 0.4pt, dash: "dash-dotted"),
)
line(
(x-det-center, y-det-center - 1.5),
(x-det-center, y-det-center + 1.5),
stroke: (paint: luma(120), thickness: 0.4pt, dash: "dash-dotted"),
)
// D-Sub Trapezoidal Shroud Profile (Closed Path)
let tw = 25.0 * ds // Top wider width
let bw = 22.5 * ds // Bottom narrower width
let hh = d-height / 2
line(
(x-det-center - tw / 2, y-det-center + hh),
(x-det-center + tw / 2, y-det-center + hh),
(x-det-center + bw / 2, y-det-center - hh),
(x-det-center - bw / 2, y-det-center - hh),
close: true,
fill: white,
stroke: 1.2pt + black,
)
// Mounting Holes (Left & Right, Diameter 3.2 mm)
let hole-left-x = x-det-center - hole-spacing / 2
let hole-right-x = x-det-center + hole-spacing / 2
circle(
(hole-left-x, y-det-center),
radius: hole-r,
fill: white,
stroke: 0.8pt + black,
)
circle(
(hole-right-x, y-det-center),
radius: hole-r,
fill: white,
stroke: 0.8pt + black,
)
// Hole Center Crosshairs
line(
(hole-left-x - 0.2, y-det-center),
(hole-left-x + 0.2, y-det-center),
stroke: 0.3pt + luma(120),
)
line(
(hole-left-x, y-det-center - 0.2),
(hole-left-x, y-det-center + 0.2),
stroke: 0.3pt + luma(120),
)
line(
(hole-right-x - 0.2, y-det-center),
(hole-right-x + 0.2, y-det-center),
stroke: 0.3pt + luma(120),
)
line(
(hole-right-x, y-det-center - 0.2),
(hole-right-x, y-det-center + 0.2),
stroke: 0.3pt + luma(120),
)
// Overall D-Opening Width Dimension (33.3 mm)
let x-left-edge = x-det-center - d-width / 2
let x-right-edge = x-det-center + d-width / 2
line(
(x-left-edge, y-det-center + hh),
(x-left-edge, y-det-center + hh + 0.6),
stroke: 0.4pt + luma(140),
)
line(
(x-right-edge, y-det-center + hh),
(x-right-edge, y-det-center + hh + 0.6),
stroke: 0.4pt + luma(140),
)
line(
(x-left-edge, y-det-center + hh + 0.6),
(x-right-edge, y-det-center + hh + 0.6),
mark: (start: "stealth", end: "stealth"),
mark-size: 0.08,
stroke: 0.6pt + black,
)
content((x-det-center, y-det-center + hh + 0.3), text(
size: 7pt,
)[Opening width: $qty(33.3, "mm")$])
// D-Opening Height Dimension (12.5 mm)
line(
(x-left-edge, y-det-center - hh),
(x-left-edge - 0.5, y-det-center - hh),
stroke: 0.4pt + luma(140),
)
line(
(x-left-edge, y-det-center + hh),
(x-left-edge - 0.5, y-det-center + hh),
stroke: 0.4pt + luma(140),
)
line(
(x-left-edge - 0.5, y-det-center - hh),
(x-left-edge - 0.5, y-det-center + hh),
mark: (start: "stealth", end: "stealth"),
mark-size: 0.08,
stroke: 0.6pt + black,
)
content(
(x-left-edge - 0.75, y-det-center),
text(size: 7pt)[$qty(12.5, "mm")$],
angle: 90deg,
)
// Mounting Hole Spacing Dimension (24.99 mm)
line(
(hole-left-x, y-det-center - hh),
(hole-left-x, y-det-center - hh - 0.6),
stroke: 0.4pt + luma(140),
)
line(
(hole-right-x, y-det-center - hh),
(hole-right-x, y-det-center - hh - 0.6),
stroke: 0.4pt + luma(140),
)
line(
(hole-left-x, y-det-center - hh - 0.6),
(hole-right-x, y-det-center - hh - 0.6),
mark: (start: "stealth", end: "stealth"),
mark-size: 0.08,
stroke: 0.6pt + black,
)
content((x-det-center, y-det-center - hh - 0.9), text(
size: 7pt,
)[Hole pitch: $qty(24.99, "mm")$])
// Hole Diameter Callout (diameter 3.2 mm)
line(
(hole-right-x, y-det-center + hole-r),
(hole-right-x + 0.6, y-det-center + 1.1),
mark: (start: "stealth"),
mark-size: 0.08,
stroke: 0.6pt + black,
)
content(
(hole-right-x + 0.65, y-det-center + 1.15),
text(size: 6.5pt)[$2 times diameter qty(3.2, "mm")$ holes],
anchor: "west",
)
}),
caption: [Cassette DB-25 connector cutout technical drawing showing rear panel placement coordinates and magnified CAD geometry dimensions],
) <figure-cassette-db-25-connector-cutout-diagram>
|
