Try this: Make sure that you are using the Face option for placing the component. Turn off the Original Path by selecting the Divided Path and using:
Start the place Component command. Make sure that you pick a Node on the Divided Path to place the Component.
The Repeat button should now be visible.
Note: you can set a Node of the Divided Path as a workplane (the Placement Plane dropdown in the Options bar will read “Divided Path”), but placing a Component on such a workplane will likely mean that the Repeat button will be grayed out.
Did you know you can nest a Generic Model family in a Generic Model Adaptive family and create a form that allows the swapping of the Profile Type?
Post by gaby424 Use Adaptive Components
-you can draw profiles as simple shared generic models families (you don`t have to use profiles template)
-nest them in a generic model adaptive family and instanciate them 2 times in paralel planes
-put a family type parameter on their label fields (the same for bouth)
-carefully select only theirs segments for bouth the profiles using ctrl+click & TAB key (you can also just select the 2 instances but you can receive an error message in the next step)
-press create form button
-create voids to cut the ends as in your truss family
now play with changing the family type parameter (assuming you have more than one profile in family/project)
Cool post by Håvard Vasshaug, where he describes how he modelled and controlled a post tensioned reinforcing bar using a Revit Adaptive Component. Even better, you can download the family.
Standard Casework families can not join geometry in the project environment, but Generic Models can. There are various opinions on how to handle this. From RFO:
Aaron Maller (using Generic Model, non adaptive): Ours are generic models, non-line based, and we join geometry. It reports quantities correctly but conservatively, since a mitered corner reports both full lengths. But i prefer it that way. AC’s are nice, but since they havent made one that is multiple point with point number dictated on the fly, im not making 7 different families so i can have a 2, 3, 4, 5 and so on.
Alex Page (Generic Model, but using subcategory): Ours are Generic models (on a subcategory called Casework) so we can successfully use the join tool, and line based for ease of use…
Steve Stafford (Casework, adaptive): ah youze guys are chickens I made this one in less than five minutes from scratch. Not much more work than the old in-place deal. Make a few versions and you’re “done”.
Old 2006 post on AUGI, listing the then ‘joinable’ categories: It seems to be that only elements of some categories can be joined. Using the default Revit Building template, these are the categories that can be joined: Ceilings Columns Floors Generic Models Mass Roofs Structural Columns Structural Foundations Structural Framing Walls
Now here is something cool – Jon Mirtschin of Geometry Gym has been working on an IFC importer add-in for Revit (my previous post here) (current version 0.0.23 download direct here, or source page here).
What made me go ‘wow’ today was this: using this add-in, you can take an IFC file and import it as a Generic Model Adaptive Component in Revit 2012. You can select the points and adjust it just like ANY Adaptive Component – but it came from Grasshopper via IFC!
I made this one in less than five minutes from scratch. Not much more work than the old in-place deal. Make a few versions and you’re “done”. 
