Maintain Symmetry in Your Sketches

Wednesday November 6, 2013 at 9:43am
Maintain Symmetry in Your Sketches
In my opinion, it is always best practice to model about the model origin and to make use of symmetry whenever possible.
Dynamic Mirror Entities:
The easiest and fastest way to create symmetric elements in a sketch is to use the Dynamic Mirror Entities command. It works like the regular Mirror command, except it automatically creates the symmetric elements on the fly and applies the Symmetric constraint.
The tool is categorised as a Sketch Tool, so found under the Tools dropdown. But can also be added to your sketch command line through the customise tool, and of course you could assign a keyboard shortcut.
Dynamic Mirror is found in Tools > Sketch Tools
To use this tool, you must first sketch a construction line along the line of symmetry, preselect it, and choose Dynamic Mirror.  The command is active until the sketch is exited (you can tell if the command is active by the “=” marks at the top and bottom of the centreline.)  If you re-enter the sketch, the command is no longer active, and you must reselect the construction line and run Dynamic Mirror Entities again.
The ease of this tool is well demonstrated by our instructors during many of our SOLIDWORKS Training Courses. There is also a really useful webcast on Best Practice for Sketching on our Solid Solutions TV website.
By Jon Crookes
Elite Applications Engineer

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