I created a new extension for pipes and tubes.
- it lets to draw pipes and rectangular tubes
- automatic elements numbering
- allows editing its dimensions and length later
- creates complicated joints
- has usefull pipe positioning tools
- make quick screenshots with elements length
- makes Bill Of Material
- calculate cut optimization!
Try the trial straight from SketchUp
Sketchup - > Extension warehouse -> search: Pipes Tubes 2020 -> Install Trial
Check the video tutorial on youtube playlist: