How do I Create a Bend Like This for A Handle?

Question

Hi,

I am creating a design for a box inspired from a drawing. I have been trying for a few hours but have been unable to create a handle, a bend in a normal part like the one shown in the image below. I have tried tuborial bend but it has been quite confusing and unsuccessful.

There were no YouTube tutorials on this or anything in PTC university. It would be great if you could help. I have managed to do a lot but am now stuck on this.

It is meant to be a leather type material which you can imagine bending. Do not worry about the material as right now I would just like it to appear as a handle which you can grab the box with on the 3D design.

Your help would be greatly appreciated.

Best, E.

kdirth · Accepted Answer

Here is the Creo 7 file.

I'm sure it could be done a bit better but I did not take time to optimize my design.

In a nut shell, with a swept blend you to place a section at each end and of the trajectory and have the option to place sections at each vertex in the trajectory. You must also control the start point in each section.

tbraxton · Answer

Your 2-D image is indeterminate with regards to defining a 3d shape.

If this is the handle geometry you need then a variable section sweep of a rectangle section using trajpar parameter in a sketcher relation to impart a twist (rotation along the trajectory) will yield what you need. In your section you will need to include and angle to control the clocking of the sketch and then vary this using trajpar.

Use the trajpar parameter in the sweep to control the twist along the trajectory. You can do this with relations or drive it with a graph.

You could also use the warp feature, but I would use the variable section sweep.

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