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Re: Why can't I mirror a feature pattern?
The edge that you used as the direction for the linear pattern no longer exists when the mirror feature happens, so it can't figure out what direction to do the mirrored pattern in.

Changing that to something that doesn't get modified should allow it to work

You can also turn off 'Apply per instance', since the geometry is exactly the same for each one.
New Feature: Attractor Pattern
I'm happy to release Attractor Pattern for use. There are more things I'd like to do with this sometime, but the core functionality is there. Since it's a kind of complex UI, I made a 6-minute video explaining what everything is. Here's an example of one of the many things you could use it for.

I want to thank @maximilian_schommer for his Surface Pattern feature, which I dissected and borrowed from heavily for this feature. Couldn't have done it without that great reference. Also, big thanks to @ilya_baran whose pseudo-random number generator I co-opted for the random pattern function.
If you run into unexpected behavior while using it, please let me know and share a document with an example so I can improve it.
If you check out my code and see any obvious ways to optimize the performance, I'm very open to ideas. Since it's such a heavy feature efficiency is extra important, and I don't know much about shaving milliseconds off of operations.

I want to thank @maximilian_schommer for his Surface Pattern feature, which I dissected and borrowed from heavily for this feature. Couldn't have done it without that great reference. Also, big thanks to @ilya_baran whose pseudo-random number generator I co-opted for the random pattern function.
If you run into unexpected behavior while using it, please let me know and share a document with an example so I can improve it.
If you check out my code and see any obvious ways to optimize the performance, I'm very open to ideas. Since it's such a heavy feature efficiency is extra important, and I don't know much about shaving milliseconds off of operations.

18
Re: Hi, How do I select the bottom inside edge to fillet on Exercise: Coffee Cup
Hi MJCJ,
Another option would be to use the `Select Other` command which will allow you to select through faces
https://cad.onshape.com/help/Content/select-other.htm
While you scroll through the other possible selections, they will highlight indicating what they are.
Another option would be to use the `Select Other` command which will allow you to select through faces
https://cad.onshape.com/help/Content/select-other.htm
While you scroll through the other possible selections, they will highlight indicating what they are.
Re: Extrude remove not possible.
Edit: oops, I didn't see there was an accepted answer already, sorry!
Which part are you trying to add a hole to? I'm not sure if I found the right thing, but it looks like you have three identical parts in the same spot, so your screenshot might be of a hole through one part but with the other parts still present:

In any case, if you're just starting out, I strongly recommend doing some of the tutorials at learn.onshape.com before you jump into bigger projects:
Introduction to CAD
Which part are you trying to add a hole to? I'm not sure if I found the right thing, but it looks like you have three identical parts in the same spot, so your screenshot might be of a hole through one part but with the other parts still present:

In any case, if you're just starting out, I strongly recommend doing some of the tutorials at learn.onshape.com before you jump into bigger projects:
Introduction to CAD

5
Re: Extrude remove not possible.
You may have two parts there. Try hiding the orange part.
And sharing public doc as @alnis_smidchens mentioned is best for getting specific answers.
And sharing public doc as @alnis_smidchens mentioned is best for getting specific answers.
Re: Extrude remove not possible.
I think you nailed it there.bruce_williams said:You may have two parts there. Try hiding the orange part.
And sharing public doc as @alnis_smidchens mentioned is best for getting specific answers.