![]() ![]() 32bit Windows, Windows Vista and older are not supported.Īn installation of FreeCAD 0.21 will not interfere with an installation of FreeCAD 0.20. The installer works on all Windows 7, 8, 10 and 11 systems. A standalone version is also provided for users who do not wish to install FreeCAD on their system, but prefer to run it from a thumb drive, etc. In case Windows warns you about a potential risk, you can ignore this and select to install anyway. Administrator permissions are not necessary when you install FreeCAD only for the current user. To install, just execute the Windows installer. ![]() You may need to expand the assets drop-down to see the build for your OS. So i suppose this is a bug (partial redundant constraints causing breakage).The FreeCAD team is happy to announce the release of FreeCAD 0.21! Details about this release can be found on the wiki v0.21 Release Pageīuilds to install FreeCAD 0.21 are below in the release assets. However your project assumes that the arc is a half circle (you used tangency constraints at the 2 points), which isn't always the case. The project you attached is correct indeed, as is my example project with the partial redundancy removed. So this should fully constrain the arc, and as chrisb had pointed out, the issue is caused by partial constraint redundancy, and not lack of constraints. The whole arc is created as external geometry in the 2nd sketch, and the normal arc is created using the external center and 2 points. The arc in the master sketch is defined through center + 2 points (a center with 2 points define exactly an arc, actually 2 complementary arcs). You need here to refer to the center and one end of the 1st arc. ![]() ![]() You cannot copy an arc with 3 points : an arc is 5 Degrees of Freedom (dof) and 3 points are 6 dof. ![]()
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