I have a simple model of an earbud I need to add holes on the dome surface. Is there a simple way to doing this cause I tried curve driven and fill pattern, none understood what I wanted to do.
Please see attachment.
I did this a few different ways so you can see which one you prefer.
The first method I used Involved creating split lines, which projected the sketch onto the surface. To do this I created a plane offset from the top plane so that I could create the pattern sketch.
As you can see here for my sketch, I made use of the linear and circular sketch pattern features.
I then used the split line command to project the sketch to the dome surface.
The split line then generates new selectable faces.
I converted these faces to a 3D sketch.
I then carried out an extrude cut command, defining the cutting direction. I just selected the sketch plane for this, then reversed the direction.
Another way to do this that produced the same results was to reduce the offset of the sketch plane so that it was below the dome. I kept the pattern sketch the same and carried out an extrude cut with the through all condition.
Finally I tried to use the feature patterns. I was able to generate a curve driven pattern and a circular pattern as seen below.
To do this the first thing to do was to lay down a curve that i would use for positioning the hole, but also for the curve driven pattern. I used a 3 point arc and a section view to make sure that the arc was constrained by the outside diameter of the dome.
I used the hole wizard to generate the hole as it allows me to place a hole using a 3D sketch.
Then after this I used my sketch curve to generate the curve driven pattern, removing a few instances.
Finally I generated a circular pattern of the curve driven pattern. To do this I needed an axis, so I turned on "view temporary axis".
Then I generated the circular pattern.
Hope this helps you out.
I was able to get it to work with a fill pattern. Here are my steps:
1. Create plane that is just inside the domes surface.
2. Start a sketch on this plane and convert the outside edge of the dome. Also draw a horizontal or vertical construction line (this will be needed for the fill pattern).
3. Create a fill pattern using your sketched circle as the boundary and the construction line as the pattern direction. Since your hole is round you can pick the option to Create Seed Cut and make it the size you want. Set the spacing and border how you want it and you're done.
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