How to add size for curbe stone?

Questions
,
1

Hi, I create curbe stone shap and I would like to add size as shown in this picture
Picture for curbe stone
please could you help fix this

2

Using lines and text :thinking: ?

3

The material variation examples might be a good start: three.js examples

If the user prefers flat labels, using CSS3DRenderer or text sprites are an option as well.