Onshape : 7 : Using Variables in Parametric Dimensions 

You can now add a variable on the fly. If you start typing '#' in the dimension box there is a line at the bottom of the drop down which says 'new'. Better planning avoids the 'glitch' you mention: i.e. the variable being available after it's created. Not a glitch at all if you think about it :-D

Thank you, turns out I just needed to move the variable up in the list!

can you write in the formula you used for sorting out spacing please in the comments. Very good video but this is a bit difficult to read

Hi, is it possible export in parametric format for openscad? thanks

how do you add or subtract within the variable tool?

Your thing is too blurry for us to watch

YSK the # is called hash symbol, hashtag is the whole thing though that's mostly twitter (and language changes)

Is it possible to use variabes for the instance count of pattern?

my broski be using linux

Please increase the resolution of the video. Unfortunately, you can read almost nothing.

stop talking so much and get to the point .

This video is very long