![]() The installation time depends on machine performance. Installing process takes several tens of seconds to several minutes. Normally there is no need to change the settings. ![]() If you have no privilege to install for all users, select "Just me". Set the users for whom FreeCAD is to be installed. If you can accept it, click "Next" to accept the Licence agreement. License agreement is displayed on installer dialog. FreeCAD Release page on GitHubĪfter installer window has been displayed, click Next to go next settings. For now, there is only the 64-bit version of the executable. So i suppose this is a bug (partial redundant constraints causing breakage).Download FreeCAD installer from following website.ĭownload "FreeCAD-0.21.0-WIN-圆4-installer-1.exe". 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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