TEKLA: Combine multiple part into one

Easiest way is using “add part to assembly” or sub-assembly. But this sometime create an issue, especially if you want to export out this data to other software. Solution: use “added material” instead.   Steps: 1.With “Select Reinforcing Bar” Mode & Transparent “Ctrl+2” mode; select all rebar. Right click & click on “Detach from Part”.