Multiple loft

Hi,

Does anyone know an efficient way of modeling this? The model was imported as a block. I extracted lines from the block model to create a loft profile from end to end, however since the loft doesn’t capture the tapered line on the bottom I tried creating another profile line to make a multiple loft profile and was having trouble creating a third profile curve since the aren’t any good reference lines.

3d file attached

Profile_01_revised.3dm (1.8 MB)

Maybe it s an export - import problem ? you should negotiate with the person who send the file to try a nurbs - supporting format like iges / step / siemens nx …
it is not unprofessional to ask, for “which software and version do you use - i have to import it into rhino 5/6/7, …”

to answer your initial question:
Use _dupEdge or a _line and _project to get polylines.
(approach 1)
use _loft with the rebuild-option
you have to build one surface per section - section divided by kinks / creases.
if _loft rebuild-option does not give the result you need:
(approach 2)
_rebuild or _fitCrv the polylines, then loft.
(approach 3)
based on the polylines, you have to manually rebuild the curves with standard the tools from the curve-palette…

kind regards -tom

2 Likes

Thanks Tom!