diff --git a/packaging/apple/studio/Sources/studio/Platform.swift b/packaging/apple/studio/Sources/studio/Platform.swift
index bdf185a..2cbef21 100644
--- a/packaging/apple/studio/Sources/studio/Platform.swift
+++ b/packaging/apple/studio/Sources/studio/Platform.swift
@@ -9,6 +9,12 @@ struct DeviceModel {
     var glassMaterial: String?     // nil = no separate glass mesh
     var bodyYaw: Double = 0        // deg about Y to face the screen toward the camera (-Z)
     var recolorBody: Bool = false  // graphite tint
+    // Fraction of the square render the device's upright height fills. Lower = more margin
+    // for wide 3/4 poses (a laptop's fanned base projects past a tight frame and clips).
+    var fillFraction: CGFloat = 0.66
+    // Overscan for auto-generated screen UVs: >0 shrinks the screenshot slightly so its
+    // edges aren't hidden when the screen mesh is a touch larger than the visible display.
+    var screenPad: CGFloat = 0
 
     static func iphone(_ assets: URL) -> DeviceModel {
         DeviceModel(url: assets.appendingPathComponent("iphone-17-pro-max.usdz"),
@@ -22,16 +28,24 @@ struct DeviceModel {
                     screenMaterial: "Material_002", glassMaterial: nil,
                     bodyYaw: 180, recolorBody: true)
     }
+    static func macbook(_ assets: URL) -> DeviceModel {
+        // Open-laptop model; display mesh "screen_black" (no UVs — auto-generated). Front
+        // faces +Z, so yaw 180° to face -Z.
+        DeviceModel(url: assets.appendingPathComponent("macbook-air.usdz"),
+                    screenMaterial: "screen_black", glassMaterial: nil,
+                    bodyYaw: 180, recolorBody: false, fillFraction: 0.46, screenPad: 0.008)
+    }
 }
 
 // An App Store target: canvas size, device model, capture simulator, output subfolder.
 enum Platform: String {
-    case iphone, ipad
+    case iphone, ipad, mac
 
     var canvas: CGSize {
         switch self {
         case .iphone: CGSize(width: 1284, height: 2778)   // 6.5" iPhone
         case .ipad:   CGSize(width: 2064, height: 2752)   // 13" iPad Pro (matches the M5 sim)
+        case .mac:    CGSize(width: 2880, height: 1800)   // Mac App Store (16:10 landscape)
         }
     }
 
@@ -39,6 +53,7 @@ enum Platform: String {
         switch self {
         case .iphone: DeviceModel.iphone(assets)
         case .ipad:   DeviceModel.ipad(assets)
+        case .mac:    DeviceModel.macbook(assets)
         }
     }
 
@@ -47,14 +62,16 @@ enum Platform: String {
         switch self {
         case .iphone: "iPhone 17 Pro Max"
         case .ipad:   "iPad Pro 13-inch (M5)"
+        case .mac:    "My Mac"
         }
     }
 
-    // Output goes under <Language>/<subfolder> so iPhone/iPad sets stay separate.
+    // Output goes under <Language>/<subfolder> so the sets stay separate.
     var outputSubfolder: String {
         switch self {
-        case .iphone: ""
+        case .iphone: "iPhone"
         case .ipad:   "iPad"
+        case .mac:    "Mac"
         }
     }
 }
diff --git a/packaging/apple/studio/Sources/studio/SceneKitDeviceRenderer.swift b/packaging/apple/studio/Sources/studio/SceneKitDeviceRenderer.swift
index e6c0bcd..6d588fb 100644
--- a/packaging/apple/studio/Sources/studio/SceneKitDeviceRenderer.swift
+++ b/packaging/apple/studio/Sources/studio/SceneKitDeviceRenderer.swift
@@ -9,14 +9,14 @@ import AppKit
 
 struct SceneKitDeviceRenderer: DeviceRenderer {
     let model: DeviceModel
-    var heightFraction: CGFloat = 0.66        // upright device height as fraction of the square render
+
     var supersample: CGFloat = 2              // render big, SwiftUI downscales for clean edges
 
     @MainActor
     func view(shot: NSImage?, spec: DeviceSpec) -> AnyView {
         // Render into a square (so any pose fits without clipping); the upright phone
         // occupies `heightFraction` of it, so displaySide maps that to spec.height.
-        let displaySide = spec.height / heightFraction
+        let displaySide = spec.height / model.fillFraction
         let renderSide = min(displaySide * supersample, 3200)
         guard let img = render(shot: shot, spec: spec, side: renderSide) else {
             return AnyView(Color.clear.frame(width: displaySide, height: displaySide))
@@ -60,8 +60,12 @@ struct SceneKitDeviceRenderer: DeviceRenderer {
         // Texture EVERY material with the screen name (some models split the display into
         // several meshes that share the material name); setting only the first leaves the
         // rest white.
+        // A thin black margin baked around the shot so the window's own corners clear the
+        // display's rounded edge — done in the image (not via UV overscan) so the clamped
+        // border samples black instead of smearing the capture's rounded-corner pixels.
+        let screenShot = (shot != nil && model.screenPad > 0) ? matted(shot!, pad: model.screenPad) : shot
         for mat in materials(named: model.screenMaterial, in: pivot) where spec.blackScreen || shot != nil {
-            mat.diffuse.contents = spec.blackScreen ? NSColor.black : shot
+            mat.diffuse.contents = spec.blackScreen ? NSColor.black : screenShot
             mat.lightingModel = .constant
             mat.normal.contents = nil
             mat.emission.contents = nil
@@ -98,7 +102,7 @@ struct SceneKitDeviceRenderer: DeviceRenderer {
         cam.bloomIntensity = 0.25
         cam.bloomBlurRadius = 6
         let camNode = SCNNode(); camNode.camera = cam
-        let dist = Double(height) / (2 * Double(heightFraction) * tan(fovV / 2 * .pi / 180))
+        let dist = Double(height) / (2 * Double(model.fillFraction) * tan(fovV / 2 * .pi / 180))
         camNode.position = SCNVector3(center.x, center.y, center.z - SCNFloat(dist))
         camNode.eulerAngles = SCNVector3(0, Double.pi, 0)
         root.addChildNode(camNode)
@@ -223,9 +227,12 @@ struct SceneKitDeviceRenderer: DeviceRenderer {
         let ua = planeAxes[0], va = planeAxes[1]
         let umin = [xs, ys, zs][ua].min()!, urange = max(1e-6, ext[ua])
         let vmin = [xs, ys, zs][va].min()!, vrange = max(1e-6, ext[va])
+        // Plain [0,1] planar mapping — the screenshot fills the mesh exactly. Any margin the
+        // display needs is baked into the image (see `matted`), not added here, so the clamped
+        // edge stays black instead of smearing the capture's corner pixels.
         let uvs: [CGPoint] = pos.map {
             CGPoint(x: CGFloat((comp($0, ua) - umin) / urange),
-                    y: CGFloat(1 - (comp($0, va) - vmin) / vrange))    // flip V for top-left origin
+                    y: CGFloat(1 - (comp($0, va) - vmin) / vrange))   // flip V for top-left origin
         }
         let uvSource = SCNGeometrySource(textureCoordinates: uvs)
         let newGeo = SCNGeometry(sources: g.sources(for: .vertex) + g.sources(for: .normal) + [uvSource],
@@ -235,6 +242,20 @@ struct SceneKitDeviceRenderer: DeviceRenderer {
         node.childNodes.forEach { addPlanarUVsToScreen(in: $0, material: name) }
     }
 
+    // Return the shot centred on a black canvas `pad` larger on each side, so texturing it
+    // leaves a thin black border around the window inside the display's rounded corners.
+    private func matted(_ shot: NSImage, pad: CGFloat) -> NSImage {
+        let s = shot.size
+        let canvas = NSSize(width: s.width * (1 + 2 * pad), height: s.height * (1 + 2 * pad))
+        let out = NSImage(size: canvas)
+        out.lockFocus()
+        NSColor.black.setFill()
+        NSRect(origin: .zero, size: canvas).fill()
+        shot.draw(in: NSRect(x: s.width * pad, y: s.height * pad, width: s.width, height: s.height))
+        out.unlockFocus()
+        return out
+    }
+
     private func materials(named name: String, in node: SCNNode) -> [SCNMaterial] {
         var out = (node.geometry?.materials ?? []).filter {
             ($0.name ?? "").caseInsensitiveCompare(name) == .orderedSame
diff --git a/packaging/apple/studio/Sources/studio/ScreenFrame.swift b/packaging/apple/studio/Sources/studio/ScreenFrame.swift
index c215a8a..079ff1e 100644
--- a/packaging/apple/studio/Sources/studio/ScreenFrame.swift
+++ b/packaging/apple/studio/Sources/studio/ScreenFrame.swift
@@ -116,9 +116,12 @@ struct ScreenFrame: View {
         return Canvas { ctx, _ in
             for i in 0..<b.count {
                 let f = b.count == 1 ? 0 : Double(i) / Double(b.count - 1) - 0.5   // -0.5…0.5
-                let x0 = b.cx + CGFloat(f) * 2 * b.spread
+                // Fan across the cross axis from the start line, converging on (cx, cy).
+                let start = b.horizontal
+                    ? CGPoint(x: b.y0, y: b.cy + CGFloat(f) * 2 * b.spread)
+                    : CGPoint(x: b.cx + CGFloat(f) * 2 * b.spread, y: b.y0)
                 var path = Path()
-                path.move(to: CGPoint(x: x0, y: b.y0))
+                path.move(to: start)
                 path.addLine(to: CGPoint(x: b.cx, y: b.cy))
                 let op = 0.25 + 0.35 * (1 - abs(f) * 2)   // brighter toward the centre beam
                 ctx.stroke(path, with: .color(color.opacity(op)),
@@ -138,14 +141,15 @@ struct ScreenFrame: View {
             let count = max(1, Int((s.y1 - s.y0) / spacing))
             for i in 0...count {
                 let t = Double(i) / Double(count)
-                let y = s.y0 + (s.y1 - s.y0) * t
+                let along = s.y0 + (s.y1 - s.y0) * t
+                let at = s.horizontal ? CGPoint(x: along, y: s.cx) : CGPoint(x: s.cx, y: along)
                 let bit = (i % 3 == 0) ? "0" : "1"
-                // fade in near the lock and out near the phone
+                // fade in near the lock and out near the receiving device
                 let op = 0.5 + 0.5 * sin(Double.pi * t)
                 var res = ctx.resolve(Text(bit)
                     .font(.system(size: 30, weight: .semibold, design: .monospaced)))
                 res.shading = .color(color.opacity(op))
-                ctx.draw(res, at: CGPoint(x: s.cx, y: y))
+                ctx.draw(res, at: at)
             }
         }
         .frame(width: canvas.width, height: canvas.height)
diff --git a/packaging/apple/studio/Sources/studio/ScreenSpec.swift b/packaging/apple/studio/Sources/studio/ScreenSpec.swift
index dd286c9..76c5f27 100644
--- a/packaging/apple/studio/Sources/studio/ScreenSpec.swift
+++ b/packaging/apple/studio/Sources/studio/ScreenSpec.swift
@@ -71,11 +71,14 @@ struct RouteSpec {
 // converging light beams (encryption) → a glowing padlock → a binary stream (protection).
 struct BeamsSpec {
 	var cx: CGFloat  // convergence x
-	var y0: CGFloat  // beams start at the top phone's bottom edge
-	var spread: CGFloat  // half-width the beams fan across at y0
+	var y0: CGFloat  // start-line coordinate: the y the beams fan from (x when horizontal)
+	var spread: CGFloat  // half-extent the beams fan across at the start line
 	var cy: CGFloat  // converge to this point
 	var count: Int = 22
 	var color: String = "#9ec3ff"
+	// Horizontal: beams fan across y from a vertical start line and converge left→right
+	// (for side-by-side devices) instead of fanning across x from a horizontal line.
+	var horizontal: Bool = false
 }
 
 struct LockSpec {
@@ -86,10 +89,11 @@ struct LockSpec {
 }
 
 struct StreamSpec {
-	var cx: CGFloat  // vertical binary stream centre
-	var y0: CGFloat  // from (below the lock)
-	var y1: CGFloat  // to (the bottom phone)
+	var cx: CGFloat  // cross-axis centre (x for a vertical stream, y for a horizontal one)
+	var y0: CGFloat  // along-axis start (below the lock; right of the lock when horizontal)
+	var y1: CGFloat  // along-axis end (the receiving device)
 	var color: String = "#9ec3ff"
+	var horizontal: Bool = false  // flow left→right instead of top→bottom
 }
 
 // Localized banner labels (CHIFFREMENT / PROTECTION), text taken from strings.json.
@@ -122,6 +126,7 @@ struct ScreenSpec {
 		switch platform {
 		case .iphone: iphone
 		case .ipad: ipad
+		case .mac: mac
 		}
 	}
 
@@ -230,7 +235,7 @@ struct ScreenSpec {
 					height: 1300, cx: 1024, cy: 2760, pose: Pose(), shadow: false, blackScreen: true
 				),
 			],
-			beams: BeamsSpec(cx: 1024, y0: 820, spread: 200, cy: 1220, count: 24),
+			beams: BeamsSpec(cx: 1024, y0: 720, spread: 200, cy: 1220, count: 24),
 			lock: LockSpec(cx: 1024, cy: 1400, size: 320),
 			stream: StreamSpec(cx: 1024, y0: 1600, y1: 2360),
 			banners: [
@@ -240,4 +245,58 @@ struct ScreenSpec {
 			headerBackdrop: true
 		),
 	]
+
+	// MacBook layouts (canvas 2880x1800, landscape, centre x = 1440). First pass.
+	static let mac: [String: ScreenSpec] = [
+		"share-securely": ScreenSpec(
+			id: "share-securely",
+			bg: GradientSpec(stops: ["#f3edfc", "#e7dbf7"], start: .top, end: .bottom),
+			captionPlace: .top, captionTheme: .dark,
+			device: DeviceSpec(height: 1500, cx: 1440, cy: 1110, pose: Pose())
+		),
+		"choose-receivers": ScreenSpec(
+			id: "choose-receivers",
+			bg: GradientSpec(stops: ["#f2ecfb", "#e6d9f6"], start: .top, end: .bottom),
+			captionPlace: .top, captionTheme: .dark,
+			device: DeviceSpec(height: 1500, cx: 1440, cy: 1110, pose: Pose())
+		),
+		// Globe backdrop in the upper half, route arcing through a centred laptop, caption
+		// at the bottom. Reuses the share capture (matches the other platforms).
+		"send-anywhere": ScreenSpec(
+			id: "send-anywhere",
+			bg: GradientSpec(stops: ["#e9ddf9", "#e5d6f6"], start: .top, end: .bottom),
+			captionPlace: .bottom, captionTheme: .light,
+			globe: GlobeSpec(width: 1320, dx: 780, dy: -150),
+			route: RouteSpec(
+				from: CGPoint(x: 1650, y: 222), to: CGPoint(x: 976, y: 274),
+				c1: CGPoint(x: 5200, y: 1150), c2: CGPoint(x: -2000, y: 1150), lineWidth: 13),
+			device: DeviceSpec(height: 1300, cx: 1440, cy: 960, pose: Pose()),
+			headerBackdrop: true,
+			shotId: "share-securely"
+		),
+		// Vertical encryption flow between two stacked laptops (same structure as the phone
+		// layouts, retuned for the landscape canvas).
+		"stay-private": ScreenSpec(
+			id: "stay-private",
+			bg: GradientSpec(
+				stops: ["#241047", "#3a1e6b", "#7a5aa8", "#c9b6e6"], start: .top, end: .bottom),
+			captionPlace: .top, captionTheme: .light,
+			// Two laptops on the left and right; encryption flows horizontally between them:
+			// beams converge left→lock, a binary stream runs lock→right.
+			devices: [
+				DeviceSpec(
+					height: 1040, cx: 120, cy: 1000, pose: Pose(), shadow: false, blackScreen: true),
+				DeviceSpec(
+					height: 1040, cx: 2760, cy: 1000, pose: Pose(), shadow: false, blackScreen: true
+				),
+			],
+			beams: BeamsSpec(cx: 1290, y0: 760, spread: 300, cy: 1000, count: 26, horizontal: true),
+			lock: LockSpec(cx: 1440, cy: 1000, size: 300),
+			stream: StreamSpec(cx: 1000, y0: 1600, y1: 2140, horizontal: true),
+			banners: [
+				Banner(kind: .encryption, cx: 940, cy: 1360),
+				Banner(kind: .protection, cx: 1960, cy: 1360),
+			]
+		),
+	]
 }
diff --git a/packaging/apple/studio/assets/ATTRIBUTION.md b/packaging/apple/studio/assets/ATTRIBUTION.md
index d5b6893..c34cd37 100644
--- a/packaging/apple/studio/assets/ATTRIBUTION.md
+++ b/packaging/apple/studio/assets/ATTRIBUTION.md
@@ -11,6 +11,11 @@
 - **Author:** lazercar (Sketchfab)
 - **License:** Creative Commons Attribution 4.0 (CC BY 4.0) — https://creativecommons.org/licenses/by/4.0/
 
+## macbook-air.usdz
+- **Title:** MacBook Air
+- **Author:** Jakob (Sketchfab — https://sketchfab.com/jakob3dlindblom)
+- **License:** Creative Commons Attribution 4.0 (CC BY 4.0) — https://creativecommons.org/licenses/by/4.0/
+
 CC BY 4.0 requires visible credit wherever these models (or renders derived from them)
 are published. The App Store screenshots produced by this studio are derivatives, so
 keep this attribution with the project. If a suitable place exists (e.g. the app's
diff --git a/packaging/apple/studio/assets/macbook-air.usdz b/packaging/apple/studio/assets/macbook-air.usdz
new file mode 100644
index 0000000..12cf935
Binary files /dev/null and b/packaging/apple/studio/assets/macbook-air.usdz differ
diff --git a/packaging/apple/studio/capture.sh b/packaging/apple/studio/capture.sh
index 6c344c8..e74a26b 100755
--- a/packaging/apple/studio/capture.sh
+++ b/packaging/apple/studio/capture.sh
@@ -34,6 +34,50 @@ SCENARIOS="share:share-securely approval:choose-receivers"
 # live under generated/ (git-ignored), not in assets/.
 SHOTS_DIR="${SHOTS_DIR:-generated/shots/$PLATFORM}"
 
+# ---- macOS: no simulator. Build the native app, drive it with the fixture args, size its
+# window to 16:10 and grab it with screencapture. Needs Accessibility + Screen Recording
+# permission granted to the terminal (you'll be prompted the first time).
+if [ "$PLATFORM" = "mac" ]; then
+	WIN_X=60; WIN_Y=80; WIN_W=1440; WIN_H=900   # 16:10, matches the MacBook screen aspect
+	echo "==> Regenerating project"; (cd "$APPLE_DIR" && xcodegen generate >/dev/null)
+	echo "==> Building VniDrop (Debug) for macOS"
+	xcodebuild build -project "$APPLE_DIR/VniDrop.xcodeproj" -scheme VniDrop \
+		-destination 'platform=macOS' -configuration Debug CODE_SIGNING_ALLOWED=NO >/dev/null
+	APP="$(xcodebuild -project "$APPLE_DIR/VniDrop.xcodeproj" -scheme VniDrop \
+		-destination 'platform=macOS' -configuration Debug -showBuildSettings 2>/dev/null \
+		| awk -F' = ' '/ BUILT_PRODUCTS_DIR /{print $2; exit}')/VniDrop.app"
+	EXE_NAME="$(/usr/libexec/PlistBuddy -c 'Print :CFBundleExecutable' "$APP/Contents/Info.plist" 2>/dev/null || echo VniDrop)"
+	EXE="$APP/Contents/MacOS/$EXE_NAME"
+	echo "    app: $APP  (exe: $EXE_NAME)"
+	echo "    (grant Accessibility + Screen Recording to your terminal if prompted)"
+	for loc in $LOCALES; do
+		mkdir -p "$SHOTS_DIR/$loc"
+		for pair in $SCENARIOS; do
+			scenario="${pair%%:*}"; screen="${pair##*:}"
+			pkill -x "$EXE_NAME" 2>/dev/null || true; sleep 1
+			# Launch the binary directly (avoids LaunchServices -1712 for DerivedData apps).
+			"$EXE" -VniScreenshot "$scenario" \
+				-AppleLanguages "($loc)" -AppleLocale "$loc" -AppleInterfaceStyle Dark &
+			sleep 4
+			osascript >/dev/null 2>&1 <<-OSA || true
+			tell application "System Events" to tell process "$EXE_NAME"
+				set frontmost to true
+				set position of front window to {$WIN_X, $WIN_Y}
+				set size of front window to {$WIN_W, $WIN_H}
+			end tell
+			OSA
+			sleep 1
+			tmp="$(mktemp -t vnishot).png"
+			screencapture -x -R${WIN_X},${WIN_Y},${WIN_W},${WIN_H} "$tmp"
+			mv "$tmp" "$SHOTS_DIR/$loc/$screen.png"
+			echo "  🖥️  $SHOTS_DIR/$loc/$screen.png"
+		done
+	done
+	pkill -x "$EXE_NAME" 2>/dev/null || true
+	echo ""; echo "Done. Now run 'PLATFORM=mac swift run studio' to composite."
+	exit 0
+fi
+
 echo "==> Regenerating project"; (cd "$APPLE_DIR" && xcodegen generate >/dev/null)
 
 echo "==> Building VniDrop (Debug) for $DEVICE"