Now you can easily do Quantity Takeoff in BonsaiBIM.
This is the continuation of the "Creating Structural Elements in BonsaiBIM"
https://www.youtube.com/watch?v=fmANlk817B0
Please do watch the previous parts for better understanding
The whole playlist is :
https://www.youtube.com/watch?v=wd0NvMt8lw8&list=PLxqsOC3g9uPCDI2thTQKEOWvMBUKweta7
Download LibreOffice Calc from
https://www.libreoffice.org/download/download-libreoffice/