Need help punching pattern into cylindrical object

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Re: Need help punching pattern into cylindrical object

Postby maclee » Fri Oct 27, 2017 2:39 am

sorry I deleted this post and updated it below.
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Last edited by maclee on Fri Oct 27, 2017 6:45 am, edited 1 time in total.
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Re: Need help punching pattern into cylindrical object

Postby maclee » Fri Oct 27, 2017 6:44 am

Well I am making progress but still issues that seem a bit too complicated for me to figure out. Maybe I need a more simple pattern.

Link to file: https://www.dropbox.com/s/zovsd033cyixi ... 4.skp?dl=0
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Re: Need help punching pattern into cylindrical object

Postby boofredlay » Fri Oct 27, 2017 4:21 pm

JQL wrote:
boofredlay wrote:
JQL wrote:Check the following gif.

This is great JQL however when you have to trim the edges because of the overlap the original pattern is destroyed. I have been struggling with the right angle to make the shape "wedge" to a point so no trimming is necessary.


Share your model at the same stage boofredlay, I'm sure there is a solution.

Here you go but as you can see, the edges will never taper properly to a point. The repeating pattern is destroyed each time. I think the method I used originally works much better, slower but more accurate.
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Re: Need help punching pattern into cylindrical object

Postby JQL » Fri Oct 27, 2017 4:44 pm

maclee wrote:Well I am making progress but still issues that seem a bit too complicated for me to figure out. Maybe I need a more simple pattern.


I'd say you need a simpler section of that pattern. What you could do is probably make a section of half the pattern and then mirror it, create a section component and polar array it with the rotate tool.
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Re: Need help punching pattern into cylindrical object

Postby JQL » Fri Oct 27, 2017 4:47 pm

boofredlay wrote: Here you go but as you can see, the edges will never taper properly to a point. The repeating pattern is destroyed each time. I think the method I used originally works much better, slower but more accurate.


I'm sure you're right, but I'll give it a shot anyway.
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Re: Need help punching pattern into cylindrical object

Postby maclee » Sat Oct 28, 2017 12:22 am

Still making progress, I got my geometry all figured out, just need to accept the fact that I have to change the pattern as I go down. Maybe just a few simple leaves going back and forth for design and then of course I have to punch the holes. I am happy I got the pattern even just 2 rows of it at the top. Also hoping that I can round it off after I am done so it doesn't look so jagged.

Thanks again for your help and ideas, they have been very helpful! Still not done but getting there!
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Re: Need help punching pattern into cylindrical object

Postby boofredlay » Sat Oct 28, 2017 12:40 am

Have you tried the method I used in the video I posted up. That way allows for you to have your pattern along the taper at the bottom.
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Re: Need help punching pattern into cylindrical object

Postby maclee » Sat Oct 28, 2017 1:11 am

boofredlay wrote:Have you tried the method I used in the video I posted up. That way allows for you to have your pattern along the taper at the bottom.


I started it but I couldn't get my pattern to match the top and bottom and have edges connect, I think I need to do the same pattern you did to make that work. I will try it!
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Re: Need help punching pattern into cylindrical object

Postby maclee » Thu Nov 09, 2017 1:11 am

[quote="boofredlay"]Here is the tutorial on Youtube: https://youtu.be/sQJoDYOCM0M


This is one way to do it. I am sure there are probably others.



Well it took me a while but I think this is the best I can do! I ended up using your method boofredlay, as the other way created a distorted pattern at the bottom which I couldn't fix, although I did find using the curve tool easier to get the shape. In the end I just couldn't fix it.

With your method, I couldn't smooth the edges at the end like you did, it just distorted all the cutouts... any suggestions? The file is 22M yikes! Here is the link if that helps: https://www.dropbox.com/s/u9kzyhuvujywx ... l.skp?dl=0

A huge thanks to you for your help and sharing ideas! I would never have even gotten this close without it!

Lee
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Re: Need help punching pattern into cylindrical object

Postby JQL » Thu Nov 09, 2017 10:24 am

You've simplified the hole's geometry to a plane. That simplifies everything but doesn't bend the shape as it should. So there's no actual aproximation to what it is in reality and in my opinion doesn't solve the true issue in discussion.

However if it fits your objectives it's a perfect solution and congratulations are in order.

Even so, you could try this plugin here:

http://sketchucation.com/forums/viewtop ... 23&t=61363
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Re: Need help punching pattern into cylindrical object

Postby maclee » Thu Nov 09, 2017 5:03 pm

JQL wrote:You've simplified the hole's geometry to a plane. That simplifies everything but doesn't bend the shape as it should. So there's no actual aproximation to what it is in reality and in my opinion doesn't solve the true issue in discussion.

However if it fits your objectives it's a perfect solution and congratulations are in order.

Even so, you could try this plugin here:

http://sketchucation.com/forums/viewtop ... 23&t=61363



yes exactly you are right... every time I would bend the geometry in the dome it would pull the edges and distort the thickness. Maybe this plugin would have worked, I will investigate it further and thanks for the suggestion!
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Re: Need help punching pattern into cylindrical object

Postby boofredlay » Thu Nov 09, 2017 6:50 pm

maclee wrote:...With your method, I couldn't smooth the edges at the end like you did, it just distorted all the cutouts... any suggestions? The file is 22M yikes! Here is the link if that helps: https://www.dropbox.com/s/u9kzyhuvujywx ... l.skp?dl=0

A huge thanks to you for your help and sharing ideas! I would never have even gotten this close without it!

Lee

Here is my model. Hopefully it will help your process.
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Re: Need help punching pattern into cylindrical object

Postby boofredlay » Thu Nov 09, 2017 8:05 pm


Ooo, forgot about Flowify.
This was much easier.

Model with step by step attached.
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Re: Need help punching pattern into cylindrical object

Postby maclee » Fri Nov 10, 2017 11:59 pm

boofredlay wrote:

Ooo, forgot about Flowify.
This was much easier.

Model with step by step attached.


Awesome thanks! I did find a few issues with my model and started over and this time the alignment was perfect. Thanks for your help, I just sent it to the 3D printer and he said the file was good. PHEW! So excited to see the results. I realize this isn't something most people will need but it will be a huge thing for me. (long story what it is, not sure if people would be that interested!)

Thanks again, I really appreciate your help, that video was great and it was also super helpful seeing your file.

Lee :)
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Re: Need help punching pattern into cylindrical object

Postby boofredlay » Sat Nov 11, 2017 12:46 am

Happy to help and I learned a bit too.
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