Applying Symmetry?

when applying the Symmetry - - I can't get it to apply to both halves - - it just applies to 1 qtr at a time - - This is on a Windows pc and I am holding ALT - - please advise

Picture of Applying Symmetry?
JON-A-TRON2 months ago

Symmetry can be added along any connected set of edges. My guess is that you've only got a symmetry plane on one side. Here's a webinar I did last year that might help explain how to use symmetry: https://youtu.be/V126jQK7Urg?t=8m32s

vernh1 (author)  JON-A-TRON1 month ago

I had to hold Ctrl and select both sides.