Hi NightCabbage,

> With filletbu5.3dm, as the following picture shows, the curve
> on top is made up of 3 curves...
>
> Is there any way to connect them together?

Not in v1, but in v2 there is a Merge command that can be used to glue a string of edges like that into one single edge, if they are tangent where they touch one another.

- Michael