On: Sneak peek of Macaw – a code-savvy web design tool [video]

[jwarren]

I'm sure there's a name for it, but I fight quite hard to not necessarily round values to pleasing numbers. Sometimes that's just the right value.

[pbhjpbhj → jwarren]

The precision being used is far too high. Optional snapping to common values is probably a good idea too (eg 80px is a common button/logo/icon size).