Please help find a way to unravel the curved back to cut

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Please help find a way to unravel the curved back to cut

Postby BarrySumpter » Mon Aug 22, 2016 1:24 am

Hi all,

I've been following this gentlemans' techniques for designing a tight mitre saw dust hood for my Makita 1216 DCMS.
https://www.youtube.com/channel/UCOk_5U ... O6C4Nh3lBA

I've designed a curved back that has a curved top.

I can't seem to find a way to unravel the back to layout a pattern to cut from 3mm flexible material.

Any positive constructive help would be greatly appreciated.

Untitled2.jpg
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Re: Please help find a way to unravel the curved back to cut

Postby Dave R » Mon Aug 22, 2016 1:47 am

Could you share the SKP file of the hood?
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Re: Please help find a way to unravel the curved back to cut

Postby Bob James » Mon Aug 22, 2016 6:51 am

Just use the Rotate tool and rotate each segment until they are all on the same plane.
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Re: Please help find a way to unravel the curved back to cut

Postby ely862me » Mon Aug 22, 2016 8:37 am

There is a plugin called Flattery.
http://sketchucation.com/pluginstore?pa ... n%20Pirate
Be aware that the low segmentation of your back curved wall will give you a shorter surface to wrap around the top and bottom surface.
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Re: Please help find a way to unravel the curved back to cut

Postby CalypsoArt » Mon Aug 22, 2016 3:06 pm

I believe there was a plugin "Unfold" that did what you need.
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Re: Please help find a way to unravel the curved back to cut

Postby Dave R » Mon Aug 22, 2016 3:48 pm

CalypsoArt wrote:I believe there was a plugin "Unfold" that did what you need.


Yes there was but sadly it no longer seems to be available. Flattery is, however, and it would work. It's available through the SCF PluginStore.
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Re: Please help find a way to unravel the curved back to cut

Postby juju » Mon Aug 22, 2016 4:06 pm

Alexander Schreyer also has a similar plugin, if memory serves...
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Re: Please help find a way to unravel the curved back to cut

Postby dtrarch » Tue Aug 23, 2016 1:36 am

Dave
I have jfUnfold.rb in my archive.
All Jim Folz links fail but it does work in SU 2015
Is it OK to provide here on the Forum?
Dave :?:
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Re: Please help find a way to unravel the curved back to cut

Postby Dave R » Tue Aug 23, 2016 1:53 am

Hi Dave,

Long time, no talk. Hope you're doing well.

I guess it should be up to Jim to grant permission to share his plugin. I don't know why his aren't available anymore but I would assume he has his reasons.

Cheers,

d
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Re: Please help find a way to unravel the curved back to cut

Postby dtrarch » Tue Aug 23, 2016 7:17 pm

posting.php?mode=reply&f=15&t=65642# :fro: Hi back Dave #1
All is well here and I did find Jim's email and send a request to provide the script.
I know you are a boat person so here is my latest.
Just 30# and killer fast carbon fiber wonder.
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Re: Please help find a way to unravel the curved back to cut

Postby Dave R » Tue Aug 23, 2016 7:29 pm

Very nice! And light! I expect it's fun to get that going fast. No place locally to row and Lake Pepin is usually too rough.
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Re: Please help find a way to unravel the curved back to cut

Postby dtrarch » Tue Aug 23, 2016 8:40 pm

Dave
It's an outdoor sport too
#2
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Re: Please help find a way to unravel the curved back to cut

Postby dtrarch » Wed Aug 24, 2016 11:58 pm

Dave #1 and Barry too
I got an email from Jim Folz and he is OK and happy to see the sawdust hood can find a use for the jfunfold plugin.
It requires both progressbar.rb and jfunfold.rb to work.
(see attached zip with both)
FYI it is an early and not polished but did work for me in SU 2015 pro :) :) :)
Cheers to all

Dave #2 :mrgreen: :mrgreen:
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Re: Please help find a way to unravel the curved back to cut

Postby Dave R » Thu Aug 25, 2016 12:51 am

Very good, Dave. I took the liberty of replacing the ZIP file with an RBZ version of it to make it easier to install using Install Extension from Preferences>Extensions. ;)
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Re: Please help find a way to unravel the curved back to cut

Postby dtrarch » Thu Aug 25, 2016 1:40 am

Dave You are #1 and gaining on the crowd.
Good fix
#2 :thumb: :thumb:
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Re: Please help find a way to unravel the curved back to cut

Postby BarrySumpter » Sat Sep 10, 2016 9:11 am

Many thanks to all.
Apologies for taking so long to get back here.

Thanks especially to the two Dave's for sorting this out.

Are there any further instructions on what to do once installed and executed?

As I didn't see any results.
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Re: Please help find a way to unravel the curved back to cut

Postby Dave R » Sat Sep 10, 2016 11:48 am

unfold.gif


Barry, first, turn on hidden geometry. Then start it from the menu and click away on successive faces.
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Re: Please help find a way to unravel the curved back to cut

Postby BarrySumpter » Sun Sep 11, 2016 12:38 am

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Re: Please help find a way to unravel the curved back to cut

Postby pbacot » Sun Sep 11, 2016 3:05 am

dtrarch wrote:http://sketchucation.com/forums/posting.php?mode=reply&f=15&t=65642# :fro: Hi back Dave #1
All is well here and I did find Jim's email and send a request to provide the script.
I know you are a boat person so here is my latest.
Just 30# and killer fast carbon fiber wonder.


Wow, did you make that? Put an outrigger on it and it'll go in the rough water (with a paddle).
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Re: Please help find a way to unravel the curved back to cut

Postby gilles » Sun Sep 11, 2016 9:53 am

See also Autounfold, works with su2015 not tested with 2016.

http://sketchucation.com/forums/viewtopic.php?f=323%26amp;p=342121#p342110
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Re: Please help find a way to unravel the curved back to cut

Postby dtrarch » Mon Sep 12, 2016 8:13 pm

Pbcot
No the single scull is manufactured by Fluidesign Composites,Ontario Canada.
It is an Olympic class boat and I do compete in it but not at that elite level.
Really state of the art in carbon fiber composites and just killer to row.
Yes we did build a few as a hobby that just got out of hand.

dtr
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Re: Please help find a way to unravel the curved back to cut

Postby pbacot » Mon Sep 12, 2016 11:56 pm

It's slick!
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