Why are my faces looks like transparent when i pull them

[markandrei562]

This usually dont happen to me. I’m new to sketchUp and idk why this is happening. anyone knows what is it?

[paul.millet]

hello, press “k”, it is the default shortcut to toggle back edges (view > edge style > back edges)

[markandrei562]

THANK YOUUU !!! i dont know maybe i accidentally press it, but thanks a lot!

[churp]

You can get rid of the keyboard shortcut to display back edges if you’d like in preferences. I know I accidentally hit it a lot.