Need to set pencil tool pixel size as well as custom aspect ratio size

[Hiren5FD6]

1. Need to set pencil tool pixel size as well as custom aspect ratio size
2. How to add extra x or y pixel line on random pixel x or y

[c.pfaffenbichler]

Please post proper screenshots 

https://www.take-a-screenshot.org

in the Forum directly instead of attaching them.