As we heard that not everyone is familiar with the .ifc file, we have decided to add some more acceptable file formats besides that:
.rtd (Autocad Robot Structural Analysis)
.std (STAAD.pro)
.sdb (SAP2000)
.iges
.stp
.step
.dxf
To see more questions (and answers) or ask your own, feel free to visit “Forum” under brico2016.com.