Puresys纯净系统-软件下载介绍
FreeCAD 中文版是一款开源的三维 CAD 软件，它能够帮助用户创建复杂的三维模型、装配、渲染和分析。它支持多种操作系统，包括 Windows、macOS 和 Linux 等。 FreeCAD 的主要特点是其强大的建模工具，可以生成各种形状和体积，并支持各种 CAD 文件格式。同时，它还支持 Python 脚本，使得用户可以通过编写脚本来定制和扩展 FreeCAD 的功能。
总之，如果你需要一个免费，简单易用且功能强大的三维 CAD 软件，那么 FreeCAD 是一个不错的选择。
软件截图
软件特点
专为现实世界打造
FreeCAD 主要用于为现实世界设计对象。 您在 FreeCAD 中所做的一切都使用真实世界的单位，无论是微米、千米、英寸或英尺，甚至是单位的任意组合。 FreeCAD 提供工具来生成、导出和编辑实体、全精度模型，导出它们用于 3D 打印或 CNC 加工，创建模型的 2D 绘图和视图，执行有限元分析等分析，或导出模型数据，如数量或 物料清单。
强大的基于实体的几何内核
FreeCAD 具有基于 Open CASCADE 技术的高级几何引擎。 它支持实体、边界表示 (BRep) 对象和非均匀有理基样条 (NURBS) 曲线和曲面，并提供范围广泛的工具来创建和修改这些对象，包括复杂的布尔运算、圆角、形状清理等 更多的。
一个巧妙的参数化环境
所有 FreeCAD 对象都是原生参数化的，这意味着它们的形状可以基于数值、文本、开/关按钮甚至其他对象等属性。 所有形状变化都按需重新计算，由撤消/重做堆栈记录，并允许保持精确的建模历史。 一个对象的属性可以驱动其他对象的属性值，从而允许复杂的、自定义的参数链，这些链可能只存在于您最疯狂的梦想中。 新的参数化对象易于编码。
无处不在的 Python
虽然 FreeCAD 的核心功能是用 C++ 编写的，以实现稳健性和性能，但大部分外部层、工作台以及核心和用户界面之间的几乎所有通信都是用 Python 编写的，Python 是一种灵活、用户友好、易于学习的编程 语言。 通过 Python 代码，您可以在 FreeCAD 中执行任何操作，从集成 Python 控制台中的简单单行命令到录制宏、编写您自己的工具直至完全自定义工作台。
文件格式的狂热
FreeCAD 允许您将模型和许多其他类型的数据（例如分析结果或数量数据）导入和导出为数十种不同的文件格式，例如 STEP、IGES、OBJ、STL、DWG、DXF、SVG、SHP、DAE、 IFC 或 OFF、NASTRAN、VRML、OpenSCAD CSG 等等，以及 FreeCAD 的原生 FCStd 文件格式。 附加工作台还可以添加更多文件格式。
基于参数化约束的 2D 草图绘制器
FreeCAD 具有最先进的 Sketcher 和集成的约束求解器，允许您绘制受几何约束的 2D 形状草图。 草图是 FreeCAD 的主要构建块，使用它构建的受约束的 2D 形状可以用作构建整个 FreeCAD 中其他对象的基础，无论是使用专用的零件设计工作台还是任何其他工作台。
大型（且不断增长的）多专业生态系统
FreeCAD 提供用于各种用途的专用工作台，例如 CSG 建模、简单的 2D CAD 制图、NURBS 曲面、建筑或 BIM 建模、3D 打印、CAM 和 CNC、点云、使用 OpenSCAD 文件、设计工业机器人轨迹、进行有限元 分析等等。 FreeCAD 还提供简单的工具来安装和管理由用户社区开发的附加工作台和宏。
由社区开发
FreeCAD 为每一个人而生，由每一个人所创造。 它由开发人员、用户、版主、翻译人员组成的社区开发和维护，他们都希望 FreeCAD 成为一个免费且强大的工具。 做出决定的背后没有商业目的，也没有让您升级 FreeCAD 版本或将您逼入特定工作流程或生态系统的冲动。 FreeCAD 以及您使用 FreeCAD 生成的文件和数据永远属于您。
更新日志
[Backport releases/FreeCAD-1-1] Spreadsheet: Don't show overlay by @freecad-ci-runner in #28017
[Backport releases/FreeCAD-1-1] core: fix issue #26478 select all instances even in group with mirror'd objects by @freecad-ci-runner in #28018
[Backport releases/FreeCAD-1-1] measurement: label drag when infront of model by @freecad-ci-runner in #28019
[Backport releases/FreeCAD-1-1] Gui: Clear cached shape after change to Deviation by @freecad-ci-runner in #28024
[Backport releases/FreeCAD-1-1] Draft: fix clone diffuse color regression by @freecad-ci-runner in #28025
[Backport releases/FreeCAD-1-1] BIM: remove switch to profile beam creation based on dimensions by @freecad-ci-runner in #28220
[Backport releases/FreeCAD-1-1] Part: Make 3D View properly checkable by @freecad-ci-runner in #28031
[Backport releases/FreeCAD-1-1] Gui: update CoinPtr to not use boost::intrusive_ptr by @freecad-ci-runner in #28623
[Backport releases/FreeCAD-1-1] Base: use magnitude for unit schema thresholds by @freecad-ci-runner in #28589
[Backport releases/FreeCAD-1-1] Part: Avoid LowerDistanceParameter exception to prevent MacOS crash (… by @freecad-ci-runner in #28494
TechDraw: manual backport of PR#28097 by @WandererFan in #28423
[Backport releases/FreeCAD-1-1] PartDesign: fix the range of the custom clearance of threads by @freecad-ci-runner in #28379
[Backport releases/FreeCAD-1-1] Sketcher: Fix: Arc of Hyperbola by @freecad-ci-runner in #28376
[Backport releases/FreeCAD-1-1] Techdraw: Prevent changing of line style with the extend/shorten tool by @freecad-ci-runner in #28593
[Backport releases/FreeCAD-1-1] CAM: Profile - Fixes _processEachModel() for Compound by @freecad-ci-runner in #28586
[Backport releases/FreeCAD-1-1] The zipios bug has been fixed, do not override the zipios build option for Debian builds. by @freecad-ci-runner in #28718
[Backport releases/FreeCAD-1-1] [Sketcher] Fix missing checkbox preference on loadsettings by @freecad-ci-runner in #28719
[Backport releases/FreeCAD-1-1] fix icns header sizes by @freecad-ci-runner in #28722
[Backport releases/FreeCAD-1-1] BIM: Fix possible code injection attack in FCStd file by @freecad-ci-runner in #28736
[Backport releases/FreeCAD-1-1] Build:Remove self-signing code and certs by @freecad-ci-runner in #28738
[Backport releases/FreeCAD-1-1] BIM: restore wall Offset assignment in makeWall by @freecad-ci-runner in #28750
[Backport releases/FreeCAD-1-1] Sketcher: enable two-sided lighting for internal faces by @freecad-ci-runner in #28747
[Backport releases/FreeCAD-1-1] Sketcher: fix multi-selection highlighting for internal faces by @freecad-ci-runner in #28748
[Backport releases/FreeCAD-1-1] Mesh: Use correct bounds for check by @freecad-ci-runner in #28798
[Backport releases/FreeCAD-1-1] PD: When swapping length values, also swap expressions by @freecad-ci-runner in #28803
[Backport releases/FreeCAD-1-1] App: Always use a versioned cache directory by @freecad-ci-runner in #28802
[Backport releases/FreeCAD-1-1] NavLib: Fix DLL import vulnerability by @freecad-ci-runner in #28799
[Backport releases/FreeCAD-1-1] Part: fix crash when hovering over internal faces in Projection on Surface by @freecad-ci-runner in #28805
[Backport releases/FreeCAD-1-1] Part: Remove invalid edge-count check from taper code by @freecad-ci-runner in #28806
[Backport releases/FreeCAD-1-1] Part: make Show Plane unpickable to not block internal face selection by @freecad-ci-runner in #28808
[Backport releases/FreeCAD-1-1] On 32bit archs, E57Format fails to build, misses include to by @freecad-ci-runner in #28846
Build: Fix macOS CFBundleVersion generation by @chennes in #28837
[Backport releases/FreeCAD-1-1] Allow external PyCXX to be used, and find this external PyCXX via pkgconfig by @freecad-ci-runner in #28867
[Backport releases/FreeCAD-1-1] Part: Repect 'VisualTouched' flag even if no geometry changed by @freecad-ci-runner in #28874
[Backport releases/FreeCAD-1-1] BIM: Fix Arch_Schedule ignoring units by @freecad-ci-runner in #28880
[Backport releases/FreeCAD-1-1] BIM: baseless ArchComponent should not lose shape by @Roy-043 in #28895
[Backport releases/FreeCAD-1-1] PartDesign: Fix Remove edge button not working in Pipe task panels by @freecad-ci-runner in #28900
[Backport releases/FreeCAD-1-1] Security: add module allowlist to PropertyPythonObject::Restore() by @freecad-ci-runner in #28928
Revert "[Backport releases/FreeCAD-1-1] Security: add module allowlist to PropertyPythonObject::Restore()" by @chennes in #28946
[Backport releases/FreeCAD-1-1] Gui: Detect spnav daemon disconnect to prevent 100% CPU by @Maik-0000FF in #29012
[Backport releases/FreeCAD-1-1] Gui: scale FPS counter with device pixel ratio on HiDPI displays by @freecad-ci-runner in #29048
[Backport releases/FreeCAD-1-1] Gui/App: Add error checking to config migration (#28662) by @chennes in #29058
[Backport releases/FreeCAD-1-1] BIM: fix BimLibrary web address concatenation on Windows by @freecad-ci-runner in #29063
[Backport releases/FreeCAD-1-1] Gui: Fix "Go to Selection" to expand if the selection is nested by @freecad-ci-runner in #29080
[Backport releases/FreeCAD-1-1] App: Fix Boolean failing in part container by @freecad-ci-runner in #29119
[Backport releases/FreeCAD-1-1] Mesh: fix testPrimitiveCount by @freecad-ci-runner in #29161
[Backport releases/FreeCAD-1-1] Assembly: Fix recompute joint issue by migrationScript4 failure by @freecad-ci-runner in #29158
[Backport releases/FreeCAD-1-1] Fix attachment editor bold not following user mode selection by @freecad-ci-runner in #29165
[Backport releases/FreeCAD-1-1] Gui: Fix Link window on top of the main window on macOS by @freecad-ci-runner in #29167
[Backport releases/FreeCAD-1-1] ExpressionTokenizer: fix autocomplete deleting operators when replacing mid-expression token by @freecad-ci-runner in #29170
[Backport releases/FreeCAD-1-1] Gui: restore live size updates in Image Plane Settings by @freecad-ci-runner in #29169
[Backport releases/FreeCAD-1-1] Fix startup window placement to handle multiple monitors and nicer first-run by @freecad-ci-runner in #29203
[Backport releases/FreeCAD-1-1] Gui: fix status bar resizing when tool hints are shown by @freecad-ci-runner in #29205
[Backport releases/FreeCAD-1-1] Security: validate module imports in Restore() by @freecad-ci-runner in #28991
CAM: DressupRampEntry - Backport fixes to 1.1 by @tarman3 in #29250
CAM: LeadInOut - Extend (manual backport for 1-1) by @tarman3 in #29272
[Backport releases/FreeCAD-1-1] SMESH: Patch for VTK 9.6 compatibility by @Lgt2x in #29279
[TD]apply failed backports to FreeCAD-1-1 by @WandererFan in #29285
[Backport releases/FreeCAD-1-1] fix: handle missing identification attribute for IFC2X3 compatibility by @freecad-ci-runner in #29329
[Backport releases/FreeCAD-1-1] PartDesign: fix Length/Length2 expression migration for TwoLengths pads by @freecad-ci-runner in #29345
[Backport releases/FreeCAD-1-1] [TechDraw] restore symbols in dark themes/stylesheets to light colour by @freecad-ci-runner in #29346
[Backport releases/FreeCAD-1-1] Part: Add missing post-build step for FaceMakerExtrusion by @freecad-ci-runner in #29341
Build: Update version to 1.1.1 by @adrianinsaval in #29382
