Padder adds padding around a single content visual. Use it when you want spacing without drawing any border.
new Padder("Padded content").Padding(1);
Pad(...) helperAny Visual can be wrapped in a Padder using VisualExtensions.Pad(...):
new TextBlock("Hello").Pad(2);
HorizontalAlignment = Align.Start, VerticalAlignment = Align.Start