keychron-hardware-design

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Keychron Hardware Design Skill

Keychron硬件设计技能

Skill by ara.so — Design Skills collection.

This skill enables AI agents to help developers work with Keychron's production-grade hardware design files for 135+ keyboard and mouse models. The repository contains CAD assets in STEP, DXF, DWG, and PDF formats covering C Pro 8K, Q, Q Pro, Q HE, Q Max, K Pro, K Max, K HE, V Max, P HE series keyboards and M/G series mice.

由ara.so提供的技能——设计技能合集。

该技能可让AI Agent协助开发者使用Keychron针对135+款键盘和鼠标型号提供的专业级硬件设计文件。仓库中包含STEP、DXF、DWG和PDF格式的CAD资源，覆盖C Pro 8K、Q、Q Pro、Q HE、Q Max、K Pro、K Max、K HE、V Max、P HE系列键盘以及M/G系列鼠标。

Project Overview

项目概述

Repository:

Keychron/Keychron-Keyboards-Hardware-Design

Stars: 3,376 (80 stars/day)
License: Source-available (personal/educational use; original compatible accessories exempt from commercial restrictions)
File Types: STEP (.stp), DXF, DWG, PDF
Component Categories: Cases, plates, encoders, stabilizers, keycaps, full models, shells

仓库地址:

Keychron/Keychron-Keyboards-Hardware-Design

星标数: 3376（日均80个星标）
许可证: 源码可用（个人/教育用途；原创兼容配件不受商用限制）
文件类型: STEP（.stp）、DXF、DWG、PDF
组件分类: 外壳、定位板、编码器、卫星轴、键帽、完整模型、壳体

Installation

安装步骤

Clone the repository to access the CAD files:

bash

git clone https://github.com/Keychron/Keychron-Keyboards-Hardware-Design.git
cd Keychron-Keyboards-Hardware-Design

Files are organized by series and model in dedicated folders. For example:

Q-Series/Q1/
K-Pro-Series/K8-Pro/
Q-Max-Series/Q6-Max/
Mice/M1/

克隆仓库以获取CAD文件：

bash

git clone https://github.com/Keychron/Keychron-Keyboards-Hardware-Design.git
cd Keychron-Keyboards-Hardware-Design

文件按系列和型号存放在专属文件夹中，示例如下：

Q-Series/Q1/
K-Pro-Series/K8-Pro/
Q-Max-Series/Q6-Max/
Mice/M1/

Repository Structure

仓库结构

Major Series Categories

主要系列分类

C-Pro-8K-Series/          # Wired keyboards (C1, C2, C3 Pro 8K)
Q-Series/                 # Flagship mechanical (Q0-Q12, Q60, Q65)
Q-Pro-Series/             # Wireless Q variants (Q1-Q14 Pro)
Q-HE-Series/              # Hall Effect models (Q0-Q12 HE)
Q-HE-8K-Series/           # 8K polling Hall Effect (Q1-Q16 HE 8K)
Q-Max-Series/             # Premium Q series (Q0-Q15 Max)
Q-Ultra-8K-Series/        # Ultra series (Q1, Q3, Q5, Q6, Q13 Ultra 8K)
K-Pro-Series/             # K Pro keyboards (K1-K17 Pro)
K-Max-Series/             # K Max keyboards (K0-K17 Max)
K-HE-Series/              # K Hall Effect (K2, K4, K6, K8, K10 HE)
K-QMK-Series/             # QMK firmware models (K1-K10 QMK)
L-Series/                 # Aluminum keyboards (L1, L3)
V-8K-Series/              # V series 8K polling (V1, V3, V5, V6)
V-Ultra-8K-Series/        # V Ultra series (V0, V1, V3, V5, V6, V10)
V-Max-Series/             # V Max series (V1-V10 Max)
P-HE-Series/              # Lemokey Hall Effect (P1-P3 HE)
Mice/                     # Mouse models (M1-M7, G1-G2)
Keycap-Profiles/          # Cherry, KSA, LSA, MDA, OEM, OSA

C-Pro-8K-Series/          # 有线键盘（C1、C2、C3 Pro 8K）
Q-Series/                 # 旗舰机械键盘（Q0-Q12、Q60、Q65）
Q-Pro-Series/             # Q系列无线版本（Q1-Q14 Pro）
Q-HE-Series/              # 霍尔效应型号（Q0-Q12 HE）
Q-HE-8K-Series/           # 8K polling霍尔效应型号（Q1-Q16 HE 8K）
Q-Max-Series/             # 高端Q系列（Q0-Q15 Max）
Q-Ultra-8K-Series/        # Ultra系列（Q1、Q3、Q5、Q6、Q13 Ultra 8K）
K-Pro-Series/             # K Pro系列键盘（K1-K17 Pro）
K-Max-Series/             # K Max系列键盘（K0-K17 Max）
K-HE-Series/              # K系列霍尔效应型号（K2、K4、K6、K8、K10 HE）
K-QMK-Series/             # 搭载QMK固件的型号（K1-K10 QMK）
L-Series/                 # 铝合金键盘（L1、L3）
V-8K-Series/              # V系列8K polling型号（V1、V3、V5、V6）
V-Ultra-8K-Series/        # V Ultra系列（V0、V1、V3、V5、V6、V10）
V-Max-Series/             # V Max系列（V1-V10 Max）
P-HE-Series/              # Lemokey霍尔效应型号（P1-P3 HE）
Mice/                     # 鼠标型号（M1-M7、G1-G2）
Keycap-Profiles/          # Cherry、KSA、LSA、MDA、OEM、OSA键帽轮廓

File Format Guide

文件格式指南

STEP Files (.stp)

STEP文件（.stp）

Primary 3D CAD format for mechanical design. Compatible with:

FreeCAD (Open source)
Fusion 360 (Autodesk)
SolidWorks
Onshape
Rhino

Opening a STEP file in FreeCAD:

bash

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机械设计的核心3D CAD格式，兼容以下软件：

FreeCAD（开源）
Fusion 360（Autodesk）
SolidWorks
Onshape
Rhino

在FreeCAD中打开STEP文件：

bash

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Install FreeCAD

安装FreeCAD

Ubuntu/Debian

sudo apt install freecad

macOS

brew install --cask freecad

Open file

打开文件

freecad K-Pro-Series/K8-Pro/K8-Pro-Case.stp

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freecad K-Pro-Series/K8-Pro/K8-Pro-Case.stp

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DXF/DWG Files

DXF/DWG文件

2D CAD formats for plate designs and dimensional drawings. Compatible with:

LibreCAD (Open source)
QCAD
AutoCAD
DraftSight

Opening DXF in LibreCAD:

bash

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用于定位板设计和尺寸图纸的2D CAD格式，兼容以下软件：

LibreCAD（开源）
QCAD
AutoCAD
DraftSight

在LibreCAD中打开DXF文件：

bash

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Install LibreCAD

安装LibreCAD

sudo apt install librecad

Open file

打开文件

librecad Q-Series/Q1/Q1-Plate.dxf

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librecad Q-Series/Q1/Q1-Plate.dxf

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PDF Files

PDF文件

Reference documentation and dimensional drawings viewable in any PDF reader.

参考文档和尺寸图纸，可在任意PDF阅读器中查看。

Common Workflows

常见工作流程

1. Inspecting Keyboard Dimensions

1. 检查键盘尺寸

To check dimensions for a Q1 Pro case:

bash

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检查Q1 Pro外壳的尺寸：

bash

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Navigate to model folder

进入型号文件夹

cd Q-Pro-Series/Q1-Pro/

List available files

列出可用文件

ls -lh

Expected: Q1-Pro-Case.stp, Q1-Pro-Plate.stp, Q1-Pro-Full-Model.stp

预期文件：Q1-Pro-Case.stp、Q1-Pro-Plate.stp、Q1-Pro-Full-Model.stp

Open in FreeCAD to measure

在FreeCAD中打开以测量

freecad Q1-Pro-Case.stp


In FreeCAD:
1. Select **Measure** → **Distance**
2. Click two points to measure
3. View dimensions in property panel

freecad Q1-Pro-Case.stp


在FreeCAD中：
1. 选择**测量** → **距离**
2. 点击两个点进行测量
3. 在属性面板中查看尺寸

2. Designing a Compatible Plate Modification

2. 设计兼容的定位板改装件

Example: Adding extra mounting holes to a K8 Pro plate.

python

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示例：为K8 Pro定位板添加额外安装孔。

python

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Python script using FreeCAD API

使用FreeCAD API的Python脚本

import FreeCAD import Part

Load original plate

加载原始定位板

doc = FreeCAD.open("K-Pro-Series/K8-Pro/K8-Pro-Plate.stp") plate = doc.Objects[0]

Add mounting holes at specific coordinates

在指定坐标添加安装孔

hole_diameter = 3.0 # mm hole_positions = [ (10, 10, 0), (350, 10, 0), (10, 120, 0), (350, 120, 0) ]

for pos in hole_positions: cylinder = Part.makeCylinder(hole_diameter / 2, 5, FreeCAD.Vector(*pos)) plate.Shape = plate.Shape.cut(cylinder)

hole_diameter = 3.0 # 毫米 hole_positions = [ (10, 10, 0), (350, 10, 0), (10, 120, 0), (350, 120, 0) ]

for pos in hole_positions: cylinder = Part.makeCylinder(hole_diameter / 2, 5, FreeCAD.Vector(*pos)) plate.Shape = plate.Shape.cut(cylinder)

Export modified plate

导出修改后的定位板

plate.Shape.exportStep("K8-Pro-Plate-Modified.stp") doc.saveAs("K8-Pro-Plate-Modified.FCStd")

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plate.Shape.exportStep("K8-Pro-Plate-Modified.stp") doc.saveAs("K8-Pro-Plate-Modified.FCStd")

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3. Creating a Custom Case Add-on

3. 定制外壳附加件

Example: Designing a magnetic feet attachment for Q6 Max.

python

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示例：为Q6 Max设计磁吸脚垫附件。

python

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FreeCAD Python console script

FreeCAD Python控制台脚本

import FreeCAD import Part

Load Q6 Max case

加载Q6 Max外壳

doc = FreeCAD.open("Q-Max-Series/Q6-Max/Q6-Max-Case.stp") case = doc.Objects[0]

Get case bottom dimensions

获取外壳底部尺寸

bbox = case.Shape.BoundBox width = bbox.XLength depth = bbox.YLength

Create magnetic feet holder (4 corners)

创建磁吸脚垫支架（4个角落）

feet_diameter = 10 # mm feet_height = 3 # mm inset = 15 # mm from edges

feet_positions = [ (inset, inset), (width - inset, inset), (inset, depth - inset), (width - inset, depth - inset) ]

feet_parts = [] for x, y in feet_positions: foot = Part.makeCylinder(feet_diameter / 2, feet_height, FreeCAD.Vector(x, y, -feet_height)) feet_parts.append(foot)

feet_diameter = 10 # 毫米 feet_height = 3 # 毫米 inset = 15 # 距离边缘的毫米数

feet_positions = [ (inset, inset), (width - inset, inset), (inset, depth - inset), (width - inset, depth - inset) ]

feet_parts = [] for x, y in feet_positions: foot = Part.makeCylinder(feet_diameter / 2, feet_height, FreeCAD.Vector(x, y, -feet_height)) feet_parts.append(foot)

Combine all feet

合并所有脚垫

feet_holder = feet_parts[0] for foot in feet_parts[1:]: feet_holder = feet_holder.fuse(foot)

Export for 3D printing

导出用于3D打印

feet_holder.exportStl("Q6-Max-Magnetic-Feet.stl")

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feet_holder.exportStl("Q6-Max-Magnetic-Feet.stl")

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4. Extracting Plate DXF for Laser Cutting

4. 提取定位板DXF文件用于激光切割

bash

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bash

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Navigate to desired model

进入目标型号文件夹

cd Q-Series/Q3/

Verify DXF exists

验证DXF文件是否存在

ls *.dxf

Q3-Plate.dxf

Open in LibreCAD to verify dimensions

在LibreCAD中打开以验证尺寸

librecad Q3-Plate.dxf

Export with correct units for laser cutting service

导出适合激光切割服务的正确单位文件

In LibreCAD: File > Export > DXF

在LibreCAD中：文件 > 导出 > DXF

Set units to millimeters

设置单位为毫米

Set version to R12/LT2 for maximum compatibility

设置版本为R12/LT2以获得最大兼容性

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5. Converting STEP to STL for 3D Printing

5. 将STEP转换为STL用于3D打印

Using FreeCAD command line:

bash

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使用FreeCAD命令行：

bash

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Convert K2 HE case to STL

将K2 HE外壳转换为STL

freecad -c << EOF import FreeCAD import Mesh

doc = FreeCAD.open("K-HE-Series/K2-HE/K2-HE-Case.stp") obj = doc.Objects[0]

freecad -c << EOF import FreeCAD import Mesh

doc = FreeCAD.open("K-HE-Series/K2-HE/K2-HE-Case.stp") obj = doc.Objects[0]

Export with reasonable resolution

以合理分辨率导出

Mesh.export([obj], "K2-HE-Case.stl") EOF


Or using Python script:

```python
import FreeCAD
import Mesh
import sys

input_file = sys.argv[1]  # "K2-HE-Case.stp"
output_file = sys.argv[2]  # "K2-HE-Case.stl"

doc = FreeCAD.open(input_file)
shape = doc.Objects[0]

Mesh.export([obj], "K2-HE-Case.stl") EOF


或使用Python脚本：

```python
import FreeCAD
import Mesh
import sys

input_file = sys.argv[1]  # "K2-HE-Case.stp"
output_file = sys.argv[2]  # "K2-HE-Case.stl"

doc = FreeCAD.open(input_file)
shape = doc.Objects[0]

Higher mesh deviation = smoother surface

偏差值越小，网格越平滑（0.01为高质量）

mesh = shape.Shape.tessellate(0.01) Mesh.Mesh(mesh[0], mesh[1]).write(output_file)

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mesh = shape.Shape.tessellate(0.01) Mesh.Mesh(mesh[0], mesh[1]).write(output_file)

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6. Batch Processing Multiple Models

6. 批量处理多个模型

Extract all plate files from Q Series:

bash

#!/bin/bash

提取Q系列的所有定位板文件：

bash

#!/bin/bash

Find all STEP plate files in Q-Series

在Q系列中查找所有STEP格式的定位板文件

find Q-Series -name "*Plate.stp" -type f > plate_files.txt

Convert each to STL

将每个文件转换为STL

while IFS= read -r file; do base=$(basename "$file" .stp) dir=$(dirname "$file")

echo "Converting $file..."
freecad -c << EOF

import FreeCAD import Mesh

doc = FreeCAD.open("$file") obj = doc.Objects[0] Mesh.export([obj], "$dir/${base}.stl") EOF done < plate_files.txt

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while IFS= read -r file; do base=$(basename "$file" .stp) dir=$(dirname "$file")

echo "正在转换 $file..."
freecad -c << EOF

import FreeCAD import Mesh

doc = FreeCAD.open("$file") obj = doc.Objects[0] Mesh.export([obj], "$dir/${base}.stl") EOF done < plate_files.txt

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Working with Keycap Profiles

键帽轮廓使用说明

The repository includes reference keycap profiles:

bash

cd Keycap-Profiles

仓库包含以下参考键帽轮廓：

bash

cd Keycap-Profiles

Available profiles

可用的键帽轮廓

ls -1

Cherry-Profile/

KSA-Profile/

LSA-Profile/

MDA-Profile/

OEM-Profile/

OSA-Profile/


Load a keycap profile for custom keycap design:

```python
import FreeCAD
import Part


加载键帽轮廓以进行自定义键帽设计：

```python
import FreeCAD
import Part

Load OSA profile reference

加载OSA轮廓参考文件

doc = FreeCAD.open("Keycap-Profiles/OSA-Profile/OSA-R1-1u.stp") keycap = doc.Objects[0]

Clone and modify for custom legend

克隆并修改以添加自定义字符

custom = keycap.Shape.copy()

Add custom text engraving (simplified example)

添加自定义文字雕刻（简化示例）

text_height = 1.0 # mm deep

text_height = 1.0 # 深度：毫米

... perform boolean cut operation for legend

... 执行布尔切割操作添加字符

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Configuration & Best Practices

配置与最佳实践

File Organization

文件组织

bash

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bash

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Recommended local structure

Recommended PLA/PETG settings

cura_keychron_profile.py

settings = { 'layer_height': 0.2, 'wall_thickness': 1.2, 'top_bottom_thickness': 1.0, 'infill_sparse_density': 25, 'support_enable': True, 'support_type': 'buildplate', 'adhesion_type': 'brim', 'brim_width': 5 }

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Measurement & Validation

测量与验证

Validating Plate Tolerances

验证定位板公差

python

import FreeCAD
import Part

python

import FreeCAD
import Part

Load plate and switch reference

加载定位板和开关参考文件

plate = FreeCAD.open("Q-Series/Q1/Q1-Plate.stp").Objects[0]

Cherry MX switch cutout should be 14mm x 14mm

Cherry MX开关开孔应为14mm x 14mm

Measure actual cutout dimensions

测量实际开孔尺寸

def measure_switch_cutout(plate_shape): # Find rectangular faces on top surface faces = [f for f in plate_shape.Faces if f.Area > 180 and f.Area < 200]

for face in faces:
    bbox = face.BoundBox
    width = bbox.XLength
    height = bbox.YLength
    
    if 13.8 <= width <= 14.2 and 13.8 <= height <= 14.2:
        print(f"Switch cutout: {width:.2f}mm x {height:.2f}mm")
        return True

print("Warning: Standard switch cutout not found")
return False

measure_switch_cutout(plate.Shape)

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def measure_switch_cutout(plate_shape): # 查找顶面的矩形面 faces = [f for f in plate_shape.Faces if f.Area > 180 and f.Area < 200]

for face in faces:
    bbox = face.BoundBox
    width = bbox.XLength
    height = bbox.YLength
    
    if 13.8 <= width <= 14.2 and 13.8 <= height <= 14.2:
        print(f"开关开孔尺寸: {width:.2f}mm x {height:.2f}mm")
        return True

print("警告：未找到标准开关开孔")
return False

measure_switch_cutout(plate.Shape)

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Common Issues & Troubleshooting

常见问题与故障排除

Issue: STEP file won't open

问题：STEP文件无法打开

bash

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bash

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Verify file integrity

验证文件完整性

file K-Pro-Series/K8-Pro/K8-Pro-Case.stp

Expected: "K8-Pro-Case.stp: ISO-10303 STEP data"

预期输出："K8-Pro-Case.stp: ISO-10303 STEP data"

Try converting with Open CASCADE

尝试使用Open CASCADE转换

STEPFILE="K8-Pro-Case.stp" python3 << EOF import OCC.Core.STEPControl as STEP reader = STEP.STEPControl_Reader() status = reader.ReadFile("$STEPFILE") if status == 1: print("File valid") else: print("File corrupted or invalid") EOF

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STEPFILE="K8-Pro-Case.stp" python3 << EOF import OCC.Core.STEPControl as STEP reader = STEP.STEPControl_Reader() status = reader.ReadFile("$STEPFILE") if status == 1: print("文件有效") else: print("文件损坏或无效") EOF

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Issue: Units appear incorrect

问题：单位显示错误

All Keychron files are in millimeters. If dimensions appear wrong:

python

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所有Keychron文件均使用毫米单位。如果尺寸显示错误：

python

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FreeCAD unit conversion

FreeCAD单位转换

import FreeCAD

doc = FreeCAD.open("Q1-Case.stp") obj = doc.Objects[0]

import FreeCAD

doc = FreeCAD.open("Q1-Case.stp") obj = doc.Objects[0]

Check bounding box in mm

以毫米为单位检查边界框

bbox = obj.Shape.BoundBox print(f"Width: {bbox.XLength}mm") print(f"Depth: {bbox.YLength}mm") print(f"Height: {bbox.ZLength}mm")

bbox = obj.Shape.BoundBox print(f"宽度: {bbox.XLength}mm") print(f"深度: {bbox.YLength}mm") print(f"高度: {bbox.ZLength}mm")

Expected for Q1: ~360mm x ~140mm x ~30mm

Q1预期尺寸：约360mm x 140mm x 30mm

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Issue: Missing files for specific model

问题：特定型号文件缺失

Check the model's README for download links:

bash

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查看该型号的README文件获取下载链接：

bash

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Each model folder contains a README with download links

每个型号文件夹都包含带有下载链接的README文件

cat Q-Max-Series/Q6-Max/README.md

Look for "Downloads" section

查找"Downloads"章节


Many models have placeholder folders with README/product pages but CAD files are uploaded incrementally. Check repository updates.


许多型号的文件夹为占位符，包含README/产品页面，但CAD文件会逐步上传，请关注仓库更新。

Issue: Exported STL has gaps or errors

问题：导出的STL存在间隙或错误

Increase mesh resolution:

python

import FreeCAD
import Mesh

doc = FreeCAD.open("source.stp")
obj = doc.Objects[0]

提高网格分辨率：

python

import FreeCAD
import Mesh

doc = FreeCAD.open("source.stp")
obj = doc.Objects[0]

Lower deviation = smoother mesh (0.01 is high quality)

偏差值越小，网格越平滑（0.01为高质量）

mesh = obj.Shape.tessellate(0.01) Mesh.Mesh(mesh[0], mesh[1]).write("output-high-res.stl")

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mesh = obj.Shape.tessellate(0.01) Mesh.Mesh(mesh[0], mesh[1]).write("output-high-res.stl")

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License Compliance

许可证合规说明

Allowed:

Personal use and modifications
Educational projects
Creating original compatible accessories
Studying and remixing designs
3D printing parts for personal keyboards

Not Allowed:

Copying and selling Keychron keyboards/mice
Using Keychron trademarks as your own brand
Mass manufacturing clones for commercial sale

Gray Area (Original Accessories ARE Allowed): The license explicitly states: "Original compatible accessories and add-ons are not subject to the commercial-use restriction."

This means you CAN sell:

Custom plates that fit Keychron cases
Aftermarket cases for Keychron PCBs
Mounting brackets and stands
Cable management solutions
Foam inserts and dampeners

允许的行为:

个人使用与改装
教育项目
创建原创兼容配件
研究与重新设计
为个人键盘3D打印部件

禁止的行为:

复制并销售Keychron键盘/鼠标
将Keychron商标用作自有品牌
大规模制造仿制品用于商业销售

灰色区域（原创配件允许商用）: 许可证明确规定："原创兼容配件和附加件不受商用限制。"

这意味着您可以销售：

适配Keychron外壳的定制定位板
适配Keychron PCB的售后外壳
安装支架与底座
线缆管理配件
泡棉内衬与减震件

Contributing Modifications

贡献改装方案

If you improve dimensions or fix issues:

bash

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如果您优化了尺寸或修复了问题：

bash

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Fork the repository

Fork仓库

gh repo fork Keychron/Keychron-Keyboards-Hardware-Design

Create feature branch

创建功能分支

git checkout -b fix/q1-plate-tolerance

Make changes to STEP files

修改STEP文件

Use FreeCAD or other CAD software

使用FreeCAD或其他CAD软件

Export corrected version

导出修正后的版本

Include both STEP and source format (.FCStd for FreeCAD)

同时包含STEP和源格式文件（FreeCAD为.FCStd）

Commit with descriptive message

提交并添加描述性信息

git add Q-Series/Q1/Q1-Plate.stp git add Q-Series/Q1/Q1-Plate.FCStd git commit -m "Fix Q1 plate switch cutout tolerance to 14.0mm ±0.05mm"

Push and create PR

推送并创建PR

git push origin fix/q1-plate-tolerance gh pr create --title "Fix Q1 plate switch cutout tolerance"

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git push origin fix/q1-plate-tolerance gh pr create --title "Fix Q1 plate switch cutout tolerance"

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Additional Resources

额外资源

Documentation:

docs/file-format-guide.md

docs/getting-started.md

3D Printing Guide:
```
docs/3d-printing-guide.md
```
Contributing:
```
docs/CONTRIBUTING.md
```
Discord: https://discord.com/invite/HAYbRrTsjN
Keychron Homepage: https://www.keychron.com/

This skill enables comprehensive support for users working with Keychron's hardware design files for modification, accessory creation, and education.

文档:

docs/file-format-guide.md

、

docs/getting-started.md

3D打印指南:
```
docs/3d-printing-guide.md
```
贡献指南:
```
docs/CONTRIBUTING.md
```
Discord社区: https://discord.com/invite/HAYbRrTsjN
Keychron官网: https://www.keychron.com/

该技能为使用Keychron硬件设计文件进行改装、配件创作和学习的用户提供全面支持。