O FreeCAD é uma ótima alternativa open Source ao proprietário AutoCAD, agora empacotado em .appimage. 

Modelador CAD 3D FreeCAD 0.20.2 com mais de 70 bugs corrigidos

O FreeCAD é um modelador 3D paramétrico de código aberto feito principalmente para projetar objetos da vida real de qualquer tamanho. A modelagem paramétrica permite que você modifique facilmente seu projeto, voltando ao histórico do modelo e alterando seus parâmetros. Ele é projetado para se adequar a uma ampla gama de usos, incluindo design de produto, engenharia mecânica, arquitetura e impressão 3D.

Bugs corrigidos

Addon Manager fixes: a8cb4e7: Fix bug in dependency resolver #7356: Minor bugfix with Mod folder 83f4b2c: Fix failures with Unicode characters in filenames d1ad3b4: Add try/except to integer conversion 9bf0c58: Fix formatting in error handler 283fec6: Fix bug in updater Arch fixes: #6140: fix wrong line spacing in 3D-view #6178: External Reference does not load Windows nested in Walls #7370: Wall not visible when base sketch lines overlap #7528: Fix crash related to SoBrepEdgeSet #7591: Improve handling of window hosts #7859: Fix CutPlane color Core (App and Gui) fixes: 746a56f: Don't show non-existing and unusual directories in file dialog ff876bf: Clear combo boxes before re-filling them and fix handling of icon size in preferences packs 6395465: make FreeCAD 0.20.x to compile with Python 3.11 #7388: Prevent crash when trying to create ExpressionBinding without arguments #7422: Allow set up expression even if property value is currently being edited #7444: Assure message boxes appear and stay on top of main window #7507: Allow None parameter again in drag and drop methods in Python ViewProviderPy class #7539: TinkerCAD navigation was always stopping right mouse button propagation #7277: Write to network drive failed on Windows bc9897c: TreeView selection can not be undone #7628: Fix crash after creating a Sketch for a Body 4d8e615: If expression is set for Euler angles in the placement dialog then evaluate the expression instead of determining the angles from the rotation 6f302d3: Backport class WrapperManager to fix possible crashes when using PySide #7737: Add default JPEG save quality and set it to 90% 7d9b344: Fix memory leak 4067cc1: Fix endless-loop in View3DInventorSelection::checkGroupOnTop 710a470: Fix endless-loop in DocumentObject::getParents #5942: Revit navigation: rotation stop on scroll release #7819: ActionGroup: also get its tooltip title updated Draft fixes: #5765: Clone did not maintain the colours of the original 2b5b7cd: Fix snapper icons #7354: Add tolerance to BoundBox check #7424: Fix working plane auto alignment to front view #7441: Fix flatten wire #7453: Fix alignment of angular dimension arrows #7528: Fix crash related to SoBrepEdgeSet #7616: Make Std_TransformManip work for Point #7670: Fix rectangle with face offset bug #7806: arcFromSpline() function uses wrong parameter FEM fixes: b716644: Fix handling of case fluids + solid materials bd796c9: Fix error for 2D shapes 08af39c: Fix heat flux handling #7360: CalculiX write_constraint_temperature.py outputs incorrect file name format b14a909: Fix flux equation #7538: Fix remaining result object in memory in FemMesh2Mesh c0a45ec: Add standard path for Gmsh on MacOSX PartDesign fixes: #7445: Improve offset handling of SubShapeBinder #7504: Add format parameter for Wedge X-min #7626: Hole cut depth was not recalculated correctly #7674: Improve Helix calculation for straight shape #7629: Keep sketch visible during revolution tasks #7722: assure source sketch is visible when in selection mode of Helix 145c3bf: Fix UTF-8 in filename handling for Hole #7943: Fix check for orthogonality when padding/pocketing along a custom direction Path fixes: #7438: Change Default Drilling Retraction from G99 to G98 #7454: Fix for testing verticallity during PathFeedRate generation #7455: Fix for setup-sheet-stepover Sketcher fixes: #7324: Fix WhatsThis for Constrain an arc or circle #7426: Prevent dangling state of Shift key if key released out of Quarter #7429: Some user colors were not taken into account 2d5b874: PointOnObject: do not substitute constraint if conditions are not OK #7641: Correct icon for CreatePointFillet in menu e3cd132: Fix typo in tooltip for Clone #7082: Dimension size on perspective view scales "backwards" #7860: Dimensions became unreadable small if a second sketch is visible Spreadsheet fixes: #7604: Fix multi-screen management of QtColorPicker #7841: Alias field can't be set for empty cells TechDraw fixes: #7351: Fix multiple dimension drag #7362: Fix hatch file default handling ff01905: Fix UTF-8 handling in LineGroup #7463: Fix extent dimension #7555: Encode XML characters in SpreadsheetView #7856: Segfault when opening task on DetailView for which the parent View was deleted Compilation: #7389: Fix MacOSX build of FreeCAD 0.20.x #7434: Fix makeWireString for Windows with Python 3.09 and newer Miscellaneous: #7358: XDGData: fix wrong xml element in mimetype file #7447: StartPage: fix Wiki link to Reverse Engineering workbench
Fonte

Instalação

Você pode aguardar a nova versão nos repositórios da sua distro ou fazer o download em .appimage e usar.

Download FreeCAD 0.20.2 appimage

wget https://github.com/FreeCAD/FreeCAD/releases/download/0.20.2/FreeCAD_0.20.2-2022-12-27-conda-Linux-x86_64-py310.AppImage

Torne o arquivo executável.

chmod +x FreeCAD_0.20.2-2022-12-27-conda-Linux-x86_64-py310.AppImage

Execute o FreeCad

./FreeCAD_0.20.2-2022-12-27-conda-Linux-x86_64-py310.AppImage

 Ai está.