@maku1980 said:

hi
how do I get curved length of rebar and quantity through sketchup?

If the rebar is modeled using Profile Builder 2 - the Quantifier can report the total (curved) length, volume, and even weight of the rebar.

https://www.youtube.com/watch?v=Bjt6s42dT_I%26amp;list=PLHS7AnPxIwNBqOw-TNOFxIYjUu1uKmT0J%26amp;index=14

http://profilebuilder4sketchup.com