Creating the 'spiked' parts on a bubble wand- Follow up

gemma_jones

I had to change the head of the bubble wand from a circle to a ellipse. I tried to do the spiked using the curved pattern, and it works, except it make the spikes a separate part, so it ends up have 73 seperate parts. The boolean doesn't work so i cant make them 1 part using the option.
How can i make all those spikes into 1 part?

https://cad.onshape.com/documents/aef93fb575b88c6c2821e1d4/w/c3218286d0a8749cffdd1ec8/e/bb426a94b46f285c41745c05?renderMode=0&uiState=616e21d1f440a07e9e1ec2ec

SethF

Unfortunately, I think maybe you forgot to make the document public. Which just means it's tricky to pinpoint exactly what issue you're running into.

But! Here's one way to do it:

1) In the original extrude, make sure "New" is selected, so that it makes a separate part that is easy to pattern. I oversized the triangle to stick back into the part so that the curvature wouldn't cause any problems if somewhere a triangle needed to be a little bigger to connect.


2) Then in the curve pattern, select "Add" so that your whole pattern gets added to the part.


Hope that helps!

S1mon

It's hard to tell exactly what's going on because you didn't share this in a way so I can copy it.

My guess is that the sketch might want to overlap the ellipse slightly, but it may just be the "New" vs "Add" selections are done incorrectly.

Also looking at your model tree, most of it could be replaced with one sketch and revolve. It would be easier to edit and regenerate faster. Essentially a sketch which looks like the section below can be revolved around a centerline which is on the right edge.

SethF

Unfortunately, I think maybe you forgot to make the document public. Which just means it's tricky to pinpoint exactly what issue you're running into.

But! Here's one way to do it:

1) In the original extrude, make sure "New" is selected, so that it makes a separate part that is easy to pattern. I oversized the triangle to stick back into the part so that the curvature wouldn't cause any problems if somewhere a triangle needed to be a little bigger to connect.


2) Then in the curve pattern, select "Add" so that your whole pattern gets added to the part.


Hope that helps!

gemma_jones

Thanks. It worked. I thought i already tried that but i guess not. One last thing, The spikes didnt become all seperate parts, but they didnt join to the original part. Any ideas as too why?

https://cad.onshape.com/documents/aef93fb575b88c6c2821e1d4/w/c3218286d0a8749cffdd1ec8/e/bb426a94b46f285c41745c05?renderMode=0&uiState=616f41ed682f0f4963c59e9f

S1mon

It's hard to tell exactly what's going on because you didn't share this in a way so I can copy it.

My guess is that the sketch might want to overlap the ellipse slightly, but it may just be the "New" vs "Add" selections are done incorrectly.

Also looking at your model tree, most of it could be replaced with one sketch and revolve. It would be easier to edit and regenerate faster. Essentially a sketch which looks like the section below can be revolved around a centerline which is on the right edge.