Rod Shape
Insert 
Shapes (Basic) (Part Level)
Use this command to create a solid rod that sweeps
along a network of interconnecting curves (e.g., lines, arcs, circles
or curves). The curves can be tangent or form "X", "T"
or "L" shaped intersections. This command is ideal for modeling
pipe, tube or cable routes. The required inputs include the rod diameter
and the sweep curves. Optional inputs include the ability to join the
rods together and to provide a unique name for the feature.
Curves - Select the curves defining the rod path. You can select any wireframe or sketch geometry including lines, arcs, circles or curves.
Diameter - Specify the diameter for the rods. You can enter a value or an existing variable name or right-click to reference an existing dimension value or expression.
Join rods together - Check this box if you want the rods joined to form a single solid.
