Why this many nodes on offset?

[CalypsoArt]

When I made this chain link shape, it had only the nodes of the circles and arcs. However, when I offset the curve all the other nodes are added and if it then extruded I get lines from each node. Can I prevent this from happening

?

[clement]

@CalypsoArt, you might read this thread.

_
c.

[CalypsoArt]

Thanks.