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The Black Pearl...

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DanSavage
Posted 2019-10-26 6:08 PM (#550240 - in reply to #550239)
Subject: Re: The Black Pearl...



Joined:
June 2012
Posts: 2184

Location: Lake Forest, CA
Hi Jonmark,

Yes. A while ago I bought an AnyCubic Photon DLP resin printer.

I bought this printer specifically so I could prototype parts or for producing one-off parts, such as this rosette caul. This was the printer I used when developing my compensated saddle for the OCP-1K pick-up.

I like Shapeways, but it takes too long for prototyping.

I'm using Rhino 3D V.4

Thanks!

Dan

Jonmark Stone - 2019-10-26 2:44 PM

Sorry if I missed it... you must have acquired your own printer to turn these parts around so quickly. What 3D design program are you using?
This is pure art.
Carry on.

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DanSavage
Posted 2019-10-26 6:15 PM (#550241 - in reply to #549601)
Subject: RE: The Black Pearl...



Joined:
June 2012
Posts: 2184

Location: Lake Forest, CA

I got the first two test pieces glued. All in all I'm happy with the results. One of the pieces got a tiny little air bubble. I figure that happened because I was too stingy with the glue.



To add depth and kick up the color on any shell, it's best to paint the back with black. I did this using Testor's flat black. The paint wasn't quite dry when I took this pic.



There was a little bleed-through of the paint under the seam of the shell that had the air bubble, which is another indication of glue starvation.

A good trick to prevent bleeding is to use the base color, clear, in this case, over the joint before painting the backing color. I'll use that on the next test.

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Love O Fair
Posted 2019-10-26 6:57 PM (#550242 - in reply to #549601)
Subject: Re: The Black Pearl...



Joined:
February 2016
Posts: 1400

Location: What week?
I've never worked with this stuff, so I am curious to know how much effect the backing paint contributes to the display side? What would the display colors be like if the backing paint was white? Would it cause a brighter look? Or what about gold, or another color? Does the backing color show through very much as its actual color?
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Oldvation Guy
Posted 2019-10-26 7:55 PM (#550243 - in reply to #549601)
Subject: Re: The Black Pearl...


Joined:
May 2011
Posts: 81

Location: Ozark, Arkansa
Cool! Back to the mad scientist lab...
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DarenSavage
Posted 2019-10-27 3:51 PM (#550244 - in reply to #549601)
Subject: Re: The Black Pearl...


Joined:
December 2016
Posts: 128

Looks like the gluing jig will work great. Is this the final rosette, or a test piece?

Edited by DarenSavage 2019-10-27 3:52 PM
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DanSavage
Posted 2019-10-27 9:14 PM (#550245 - in reply to #550244)
Subject: Re: The Black Pearl...



Joined:
June 2012
Posts: 2184

Location: Lake Forest, CA

DarenSavage - 2019-10-27 1:51 PM

Looks like the gluing jig will work great. Is this the final rosette, or a test piece?


Yes, it is working great. There is no way I'd be able to do this type of precision gluing without it.

This is the test piece, and I'm learning a lot from it.

I glued another pair of shell to the casing today. I wanted to test sealing the joints with clear before the black.



Here's what it looks like after the clear and black backing coat. The joint ends up being much cleaner.

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DarenSavage
Posted 2019-10-27 10:04 PM (#550246 - in reply to #549601)
Subject: Re: The Black Pearl...


Joined:
December 2016
Posts: 128

That is a lot cleaner. When you glue the final rosette, are you going to glue all of the pieces at the same time to eliminate possible glue fillets which might cause gaps between the pieces?
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DanSavage
Posted 2019-10-28 9:42 AM (#550247 - in reply to #550246)
Subject: Re: The Black Pearl...



Joined:
June 2012
Posts: 2184

Location: Lake Forest, CA
DarenSavage - 2019-10-27 8:04 PM

That is a lot cleaner. When you glue the final rosette, are you going to glue all of the pieces at the same time to eliminate possible glue fillets which might cause gaps between the pieces?


Yes. As you say to get the best possible fit between all the pieces.
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DanSavage
Posted 2019-10-28 9:47 AM (#550248 - in reply to #550242)
Subject: Re: The Black Pearl...



Joined:
June 2012
Posts: 2184

Location: Lake Forest, CA

Love O Fair - 2019-10-26 4:57 PM

I've never worked with this stuff, so I am curious to know how much effect the backing paint contributes to the display side? What would the display colors be like if the backing paint was white? Would it cause a brighter look? Or what about gold, or another color? Does the backing color show through very much as its actual color?


The shell pieces are pretty translucent. Here's a shot of the two pieces I glued yesterday. This is before I painted the background black.



Yes, the backing color will affect the final look of the shell. Most of the time, black is used to increase the depth of the shell.

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DanSavage
Posted 2019-10-30 7:03 PM (#550260 - in reply to #549601)
Subject: RE: The Black Pearl...



Joined:
June 2012
Posts: 2184

Location: Lake Forest, CA

The rosette pieces have been finalized and are being glued into place.

We'll see tomorrow what it looks like.

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DarenSavage
Posted 2019-10-30 9:49 PM (#550263 - in reply to #549601)
Subject: Re: The Black Pearl...


Joined:
December 2016
Posts: 128

Cooleo! I can't wait to see it. What a great rosette tool!
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Love O Fair
Posted 2019-10-30 11:45 PM (#550265 - in reply to #549601)
Subject: Re: The Black Pearl...



Joined:
February 2016
Posts: 1400

Location: What week?
Waiting for the angels to sing when you flip that baby over.. and sing they will, I'm sure.
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arumako
Posted 2019-10-31 12:22 AM (#550266 - in reply to #549601)
Subject: Re: The Black Pearl...



Joined:
October 2012
Posts: 962

Location: Yokohama, Japan
SWEET!
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DanSavage
Posted 2019-10-31 12:55 AM (#550267 - in reply to #550263)
Subject: Re: The Black Pearl...



Joined:
June 2012
Posts: 2184

Location: Lake Forest, CA

DarenSavage - 2019-10-30 7:49 PM

Cooleo! I can't wait to see it. What a great rosette tool!


The garage was warm which caused the epoxy to cure fast enough for me to pop the rosette out of the caul.

I trimmed the excess shell and put it into place on the guitar for a quick peek.

I'll let the epoxy finish curing overnight, then tomorrow I'll seal the joints with clear and apply the black.

While that's drying I might as well install all the hardware. :D

Yes, this caul works really well for both cutting/fitting the shell pieces and later for gluing them to the rosette casing. As you probably recall one of the problems we had cutting out the shell pieces was not disturbing the relationship between the shells we'd cut before.

Being able to clamp each piece as you go makes the joints more precise. When it came time to glue, it was really nice to be able to manuever the new piece into place and not have to worrry about disturbing the previous pieces.

I'm really glad I spent the time and effort to make this tool. I can't imagine how I'd have done this without it.



Edited by DanSavage 2019-10-31 1:06 AM
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Old Man Arthur
Posted 2019-10-31 4:18 AM (#550268 - in reply to #549601)
Subject: Re: The Black Pearl...



Joined:
September 2006
Posts: 10627

Location: Keepin' It Weird in Portland, OR
That's just beautiful, man.
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arumako
Posted 2019-10-31 5:00 AM (#550269 - in reply to #550268)
Subject: Re: The Black Pearl...



Joined:
October 2012
Posts: 962

Location: Yokohama, Japan
Old Man Arthur - 2019-10-30 6:18 PM

That's just beautiful, man.

+1
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clrules
Posted 2019-10-31 8:24 AM (#550270 - in reply to #549601)
Subject: Re: The Black Pearl...


Joined:
September 2005
Posts: 131

Location: Birmingham, AL
Yes it is.
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Jonmark Stone
Posted 2019-10-31 9:32 AM (#550272 - in reply to #550270)
Subject: Re: The Black Pearl...


Joined:
May 2008
Posts: 1504

Location: Indiana
Beautiful work, Dan.
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moody, p.i.
Posted 2019-10-31 10:08 AM (#550273 - in reply to #549601)
Subject: Re: The Black Pearl...


Joined:
March 2002
Posts: 15481

Location: SoCal
Wow! Can't wait to see and play it......
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Love O Fair
Posted 2019-10-31 3:57 PM (#550276 - in reply to #549601)
Subject: Re: The Black Pearl...



Joined:
February 2016
Posts: 1400

Location: What week?
Fitting for it to be coming together on Halloween week since the color and shade combo has such a mysterious, dark and haunting look. Just beautiful, Dan!
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DarenSavage
Posted 2019-10-31 8:51 PM (#550277 - in reply to #550273)
Subject: Re: The Black Pearl...


Joined:
December 2016
Posts: 128

moody, p.i. - 2019-10-31 10:08 AM

Wow! Can't wait to see and play it......

Me too!
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DarenSavage
Posted 2019-10-31 9:05 PM (#550278 - in reply to #550267)
Subject: Re: The Black Pearl...


Joined:
December 2016
Posts: 128

DanSavage - 2019-10-31 12:55 AM

Yes, this caul works really well for both cutting/fitting the shell pieces and later for gluing them to the rosette casing. As you probably recall one of the problems we had cutting out the shell pieces was not disturbing the relationship between the shells we'd cut before.

Being able to clamp each piece as you go makes the joints more precise. When it came time to glue, it was really nice to be able to maneuver the new piece into place and not have to worry about disturbing the previous pieces.

I'm really glad I spent the time and effort to make this tool. I can't imagine how I'd have done this without it.


Yes, and I remember the results.

Are you able to fine tune the shell pieces' placement while they're clamped?
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DanSavage
Posted 2019-11-01 10:20 AM (#550279 - in reply to #550277)
Subject: Re: The Black Pearl...



Joined:
June 2012
Posts: 2184

Location: Lake Forest, CA
DarenSavage - 2019-10-31 6:51 PM

moody, p.i. - 2019-10-31 10:08 AM

Wow! Can't wait to see and play it......

Me too!


Me, three!
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DanSavage
Posted 2019-11-01 10:25 AM (#550280 - in reply to #550278)
Subject: Re: The Black Pearl...



Joined:
June 2012
Posts: 2184

Location: Lake Forest, CA
DarenSavage - 2019-10-31 7:05 PM

Yes, and I remember the results.

Are you able to fine tune the shell pieces' placement while they're clamped?


Yes. As long as I don't wrap the rubber bands too tightly around the hooks, I'm able to slide the shell around for a good fit.
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Oldvation Guy
Posted 2019-11-01 7:28 PM (#550281 - in reply to #549601)
Subject: Re: The Black Pearl...


Joined:
May 2011
Posts: 81

Location: Ozark, Arkansa
Wow! Really eye popping work. I have been busy every weekend, so little to no progress on my project. This one will be just like the rest I fear.
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