From b918c0f28505437f9931dcf2482f70f7725ead87 Mon Sep 17 00:00:00 2001
From: Severin Ibarluzea <seve700@gmail.com>
Date: Thu, 27 Nov 2025 09:19:22 -0800
Subject: [PATCH] Add support for 6 and 8 layer boards

---
 README.md                    |  2 +-
 generated/COMPONENT_TYPES.md | 13 +++++++++++--
 generated/PROPS_OVERVIEW.md  |  6 +++++-
 lib/components/board.ts      | 12 ++++++++++--
 tests/board.test.ts          |  8 ++++++++
 5 files changed, 35 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index b620326..5fa5f41 100644
--- a/README.md
+++ b/README.md
@@ -218,7 +218,7 @@ export interface BoardProps
   title?: string;
   material?: "fr4" | "fr1";
   /** Number of layers for the PCB */
-  layers?: 1 | 2 | 4;
+  layers?: 1 | 2 | 4 | 6 | 8;
   borderRadius?: Distance;
   thickness?: Distance;
   boardAnchorPosition?: Point;
diff --git a/generated/COMPONENT_TYPES.md b/generated/COMPONENT_TYPES.md
index c07590c..76d472e 100644
--- a/generated/COMPONENT_TYPES.md
+++ b/generated/COMPONENT_TYPES.md
@@ -292,6 +292,7 @@ export interface CommonComponentProps<PinLabel extends string = string>
   symbolName?: string
   doNotPlace?: boolean
   obstructsWithinBounds?: boolean
+  showAsTranslucentModel?: boolean
 }
 .extend({
     key: z.any().optional(),
@@ -306,6 +307,12 @@ export interface CommonComponentProps<PinLabel extends string = string>
       .describe(
         "Does this component take up all the space within its bounds on a layer. This is generally true except for when separated pin headers are being represented by a single component (in which case, chips can be placed between the pin headers) or for tall modules where chips fit underneath",
       ),
+    showAsTranslucentModel: z
+      .boolean()
+      .optional()
+      .describe(
+        "Whether to show this component's CAD model as translucent in the 3D viewer.",
+      ),
     pinAttributes: z.record(z.string(), pinAttributeMap).optional(),
   })
 export const lrPolarPins = [
@@ -514,7 +521,7 @@ export interface BoardProps
   extends Omit<SubcircuitGroupProps, "subcircuit" | "connections"> {
   title?: string
   material?: "fr4" | "fr1"
-  layers?: 1 | 2 | 4
+  layers?: 1 | 2 | 4 | 6 | 8
   borderRadius?: Distance
   thickness?: Distance
   boardAnchorPosition?: Point
@@ -533,7 +540,9 @@ export const boardProps = subcircuitGroupProps
   .omit({ connections: true })
   .extend({
     material: z.enum(["fr4", "fr1"]).default("fr4"),
-    layers: z.union([z.literal(1), z.literal(2), z.literal(4)]).default(2),
+    layers: z
+      .union([z.literal(1), z.literal(2), z.literal(4), z.literal(6), z.literal(8)])
+      .default(2),
     borderRadius: distance.optional(),
     thickness: distance.optional(),
     boardAnchorPosition: point.optional(),
diff --git a/generated/PROPS_OVERVIEW.md b/generated/PROPS_OVERVIEW.md
index 6d26d22..74b4605 100644
--- a/generated/PROPS_OVERVIEW.md
+++ b/generated/PROPS_OVERVIEW.md
@@ -214,7 +214,7 @@ export interface BoardProps
   title?: string
   material?: "fr4" | "fr1"
   /** Number of layers for the PCB */
-  layers?: 1 | 2 | 4
+  layers?: 1 | 2 | 4 | 6 | 8
   borderRadius?: Distance
   thickness?: Distance
   boardAnchorPosition?: Point
@@ -468,6 +468,10 @@ export interface CommonComponentProps<PinLabel extends string = string>
    * chips can be placed between the pin headers) or for tall modules where chips fit underneath.
    */
   obstructsWithinBounds?: boolean
+  /**
+   * Whether to show this component's CAD model as translucent in the 3D viewer.
+   */
+  showAsTranslucentModel?: boolean
 }
 
 
diff --git a/lib/components/board.ts b/lib/components/board.ts
index da35fb3..706bc31 100644
--- a/lib/components/board.ts
+++ b/lib/components/board.ts
@@ -28,7 +28,7 @@ export interface BoardProps
   title?: string
   material?: "fr4" | "fr1"
   /** Number of layers for the PCB */
-  layers?: 1 | 2 | 4
+  layers?: 1 | 2 | 4 | 6 | 8
   borderRadius?: Distance
   thickness?: Distance
   boardAnchorPosition?: Point
@@ -55,7 +55,15 @@ export const boardProps = subcircuitGroupProps
   .omit({ connections: true })
   .extend({
     material: z.enum(["fr4", "fr1"]).default("fr4"),
-    layers: z.union([z.literal(1), z.literal(2), z.literal(4)]).default(2),
+    layers: z
+      .union([
+        z.literal(1),
+        z.literal(2),
+        z.literal(4),
+        z.literal(6),
+        z.literal(8),
+      ])
+      .default(2),
     borderRadius: distance.optional(),
     thickness: distance.optional(),
     boardAnchorPosition: point.optional(),
diff --git a/tests/board.test.ts b/tests/board.test.ts
index 5ed77f2..aa9edc6 100644
--- a/tests/board.test.ts
+++ b/tests/board.test.ts
@@ -28,6 +28,14 @@ test("should allow single-layer boards", () => {
   expect(parsed.layers).toBe(1)
 })
 
+test("should allow 6 and 8 layer boards", () => {
+  const sixLayer: BoardProps = { name: "board", layers: 6 }
+  const eightLayer: BoardProps = { name: "board", layers: 8 }
+
+  expect(boardProps.parse(sixLayer).layers).toBe(6)
+  expect(boardProps.parse(eightLayer).layers).toBe(8)
+})
+
 test("should parse borderRadius prop", () => {
   const raw: BoardProps = { name: "board", borderRadius: 2 }
   const parsed = boardProps.parse(raw)