Hi Edwin, Flow works just on a single surface to another single surface. Your second object there is not a single surface, it's made up of 6 surfaces joined together.

So you need to make just one surface for your target object to make it behave like you want.

The easiest way to do that is probably to use the Rebuild command (http://moi3d.com/3.0/docs/moi_command_reference10.htm#rebuild) on your curve that you extruded to make that surface. Currently your curve is made up of 6 sub segments and when you extrude it you'll get one face for each curve segment.

Rebuild will make a new single segment curve and if you extrude that you should then get a single surface as the result.

- Michael

Right, should have known because of all the lines but I thought joining woudl solve this (in the background).

Working like a charm Michael, thx

Hi Edwin, yeah currently Join will make a multi-segmented curve, it won't fuse together any segments. That makes Edit > Separate work to go back to the segments.

I do want to add segment combining as an option to the Join command, but it's been kind of tricky to work out the UI for it without making Join have a bunch more stages to it. I have some ideas though.

- Michael