Forums >> Revit Building >> Technical Support >> Making Curve Ladder Trusses

seaqate

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Joined: Mon, Jan 8, 2018
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I am having problems with curving a model, not sure what commands to use or available for me to manipulate the family into a curved one. Need help with dealing to curve a family into the conceptual mass file. Any ideas or videos I can have a look in making it. When I aplied the family it does not curve. Help please?!

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WWHub

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Joined: Tue, May 16, 2006
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Curved familes are hard to do for many users and your need has componded problems because it is a truss.  

I suggest that you start with just a simple form, maybe just a tube, and learn how to control that.  If i8t needs to be parametric, you need enough reference planes to begin with to establish center of the curve, radius, start and stop reference lines.  You use referece lines here because the angle has to be parametric (and pass through the center point) .... much like an adjustable door swing in an adjustable door family.

If you can master this simple tube family, then you have the top and bottom of your truss.  A single diagonal member would be relatively easy to add at that point but multiple segments would be very hard to do.  

I have not looked in the downloads area but if their is a curved truss there, I suggest you try to modify/deconstruct that family.

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