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Beardybloke Community Member
Joined: 30 Jan 2015 Posts: 180 Location: Plymouth,uk
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Posted: Mon Jul 27, 2015 3:59 am Post subject: |
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Brilliant Buch thanks for the details. I have the standard head on shot of the badge shown in your pictures above.
I was planning on resizing the photo to match the dimensions and then sticking a print off of the force lettering to some plasticard, then cutting out the letters with a scapal. That should make the sizing/shape of the letters fairly spot on.
It's surprising how big the badge compared the the wallet version _________________ Tell him I'm eating.. |
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Buch Community Member
Joined: 27 Feb 2014 Posts: 1184 Location: Copenhagen, Denmark
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Posted: Mon Jul 27, 2015 6:47 am Post subject: |
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Beardybloke wrote: | I was planning on resizing the photo to match the dimensions and then sticking a print off of the force lettering to some plasticard, then cutting out the letters with a scapal. That should make the sizing/shape of the letters fairly spot on. |
That should work I was planning on doing the same thing, but became impatient and freehanded the writing... Maybe next time _________________ Monsieur, azonnal kövessen engem bitte |
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Replicant 13 Community Member
Joined: 18 Jul 2011 Posts: 912 Location: OffWorld Park, USNA
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Posted: Mon Aug 17, 2015 12:34 am Post subject: CREATIVE LICENSE |
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Forgive the intrusion, but temptation took hold and so I took a moment to adjust the image that Buch was so kind as to post here earlier.
Taking a bit of creative license, I reduced the discoloration that has presumably yellowed the image overall from the appearance of the original. I then retouched the face and neck, getting rid of the imperfections, dust and scratches that may or may not have been in the original Polaroid, then reduced the grain a bit and adjusted the skin tones. And I added some extra height (It never hurts to have some excess area to play with) -
I realize you may not wish to use this, as it does vary from an exact representation of the known image, but I post it here for those who might.
HAB1! - R13 _________________ Gosh, you've really got some nice toys here . . . |
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joberg Community Member
Joined: 06 Oct 2008 Posts: 9447
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Posted: Tue Aug 18, 2015 6:29 pm Post subject: |
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Excellent job on that one Dave! |
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Buch Community Member
Joined: 27 Feb 2014 Posts: 1184 Location: Copenhagen, Denmark
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Posted: Sun Sep 13, 2015 5:02 am Post subject: |
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Done the first high temperature silicone mold of the mock up... As you can see: Total disaster!
I've totally underestimated the lower viscosity of the hi temp silicone contra the details on the badge... Result: MILLIONS of air bubbles...
Going to do some more research and get some more silicone....
_________________ Monsieur, azonnal kövessen engem bitte |
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Beardybloke Community Member
Joined: 30 Jan 2015 Posts: 180 Location: Plymouth,uk
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Posted: Sun Sep 13, 2015 5:17 am Post subject: |
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When I was pouring the grips for my derringer skinjob advised me to dust my mould with corn flour and then bang it off so only a thin coat remains.
This will then pull the resin into all the fine details by capillary action.
This may work in a similar way if you dust the badge hopefully it will pull the silicone into the details.
May be worth looking into bud
BB _________________ Tell him I'm eating.. |
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Buch Community Member
Joined: 27 Feb 2014 Posts: 1184 Location: Copenhagen, Denmark
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Posted: Sun Sep 13, 2015 6:45 am Post subject: |
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Thanks! I think I'll try that.... Couldn't possible go worse than the first mold _________________ Monsieur, azonnal kövessen engem bitte |
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joberg Community Member
Joined: 06 Oct 2008 Posts: 9447
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Posted: Sun Sep 13, 2015 5:49 pm Post subject: |
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...and baby powder will do the trick also. Put it in, shake it off and pour the resin |
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Replicant 13 Community Member
Joined: 18 Jul 2011 Posts: 912 Location: OffWorld Park, USNA
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Posted: Sun Sep 13, 2015 11:07 pm Post subject: SILICON VALLEYS |
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You might consider trying another type of silicon. A friend suggested Smooth-On® brand, and another company, Eager Plastics (here in the States) makes a similar product. Neither requires "cooking" and take only a few hours to firm up.
I watched a friend pour some molds recently (this time without a vacuum pump). He simply drizzled the blue goo into the small nooks and crannies slowly building up a layer, and he used a small brush to insure that the goo got into all the details. Once that settled after a few minutes, he added the rest until he filled the box. (He had used LEGOs to build a box to the size and shape he needed). It takes a while to set up, but it gives the remaining bubbles time to rise to the surface.
He uses mold release or sometimes Pam to coat the object, if needed, brushing on a thin layer.
- R13 _________________ Gosh, you've really got some nice toys here . . . |
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Buch Community Member
Joined: 27 Feb 2014 Posts: 1184 Location: Copenhagen, Denmark
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Posted: Mon Sep 14, 2015 9:11 am Post subject: |
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Thanks for your advice guys, they're much appreciated!
I've only been able to find high temp silicone by a company called DWRplastics...
Does anybody have links to alternate brands of high temp silicone...? Can't find one by SmoothOn _________________ Monsieur, azonnal kövessen engem bitte |
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Beardybloke Community Member
Joined: 30 Jan 2015 Posts: 180 Location: Plymouth,uk
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Posted: Mon Sep 14, 2015 1:10 pm Post subject: |
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I've also ordered my high temp silicone from Dwr plastics which is due to arrive tomorrow. So very interested in how you get on with it, as I'm planning on casting some metal parts for my off world blaster with it. _________________ Tell him I'm eating.. |
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Buch Community Member
Joined: 27 Feb 2014 Posts: 1184 Location: Copenhagen, Denmark
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Posted: Mon Sep 14, 2015 2:25 pm Post subject: |
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I think it's ok.... very easy to work with.... I think my problem is primarily the technique....
Mold number two came out just as bad and I'm out of silicone... I dusted the the mockup with baby powder and started coating the mockup with a thin layer of silicone that I pressed down in the crevices lightly with a brushed.... Had my hopes up, but it didn't work
Found a company in the UK that carries a Smooth-On product... Trying to convince them to ship to Denmark... Fingers crossed!
I'll probably end up getting a vacuum chamber.... _________________ Monsieur, azonnal kövessen engem bitte |
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Beardybloke Community Member
Joined: 30 Jan 2015 Posts: 180 Location: Plymouth,uk
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Posted: Mon Sep 14, 2015 4:03 pm Post subject: |
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Is that mold max 60 from benam.co.uk it says degassing is recommended but not a must,have you seen any an economic vacuum chamber Buch.
I supposed worst case scenario you'll end up with bumps on the badge where the pewter has run into the bubble holes, at least it's soft and easy to remove the excess metal and clean it up _________________ Tell him I'm eating.. |
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Buch Community Member
Joined: 27 Feb 2014 Posts: 1184 Location: Copenhagen, Denmark
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Posted: Tue Sep 15, 2015 3:19 am Post subject: |
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Mold max 60 from benam.co.uk - that's the one! I've also found something from Germany similar to this...
Havn't seen any economic vacuum chambers... You can get small ones (1-1,5 gallons) on eBay from the US. The price is 291 dollars including shipping and import charges....
One question: Could it be that the silicone developes air/gas bubbles when mixed and not only traps them? _________________ Monsieur, azonnal kövessen engem bitte |
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Beardybloke Community Member
Joined: 30 Jan 2015 Posts: 180 Location: Plymouth,uk
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Posted: Tue Sep 15, 2015 4:37 am Post subject: |
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Yeah I try to to fold the to parts together to minimise bubbles and then when I pour it I do so from about2-3 foot so I get a long thin stream of silicone that way it stretches it out and most of the bubbles pop on the way down. _________________ Tell him I'm eating.. |
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Buch Community Member
Joined: 27 Feb 2014 Posts: 1184 Location: Copenhagen, Denmark
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Posted: Tue Sep 15, 2015 7:39 am Post subject: |
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Beardybloke wrote: | Yeah I try to to fold the to parts together to minimise bubbles and then when I pour it I do so from about2-3 foot so I get a long thin stream of silicone that way it stretches it out and most of the bubbles pop on the way down. |
Tried that too... Maybe I'm just jinxed _________________ Monsieur, azonnal kövessen engem bitte |
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Bucky Cat Community Member
Joined: 11 Jul 2011 Posts: 53 Location: Los Angeles
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Posted: Wed Sep 16, 2015 10:15 am Post subject: |
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Buch,
If you have a little extra silicone, might you try molding up something with less detail? It seems to me making a mold is an art. I'm just wondering if molding up a simple box or dome might build your skills and confidence. The FORCE badge just has so many places for bubble to hide.
The suggestions put forth here have helped me too as I learned the dark art of mold making: The baby powder, pouring from high up to get a very thin stream, gently poking around through the rubber to (hopefully) release air bubbles.
Best of luck with this project. It's a really, really cool one.
Ted. _________________ In space no one can hear you scream. But you can always text. |
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Buch Community Member
Joined: 27 Feb 2014 Posts: 1184 Location: Copenhagen, Denmark
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Posted: Wed Sep 16, 2015 12:49 pm Post subject: |
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Bucky Cat wrote: | Buch,
If you have a little extra silicone, might you try molding up something with less detail? It seems to me making a mold is an art. I'm just wondering if molding up a simple box or dome might build your skills and confidence. The FORCE badge just has so many places for bubble to hide.
The suggestions put forth here have helped me too as I learned the dark art of mold making: The baby powder, pouring from high up to get a very thin stream, gently poking around through the rubber to (hopefully) release air bubbles.
Best of luck with this project. It's a really, really cool one.
Ted. |
Thanks Ted
I've had some pretty ok results using the regular silicone from the same company on some other projects.... But you're right, it's an art and there's a certain learning curve... Patience is not one of my finest virtues!
But guess some rehearsing wouldn't kill me
I'm getting more silicone, a different type similar to the Smooth-On product... Will do some small tests to get familiar with the product...
Really: Thanks for all your advice guys _________________ Monsieur, azonnal kövessen engem bitte |
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Beardybloke Community Member
Joined: 30 Jan 2015 Posts: 180 Location: Plymouth,uk
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Posted: Wed Sep 16, 2015 1:14 pm Post subject: |
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No thanks needed Buch your always eager to share information So always a pleasure _________________ Tell him I'm eating.. |
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joberg Community Member
Joined: 06 Oct 2008 Posts: 9447
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Posted: Wed Sep 16, 2015 6:10 pm Post subject: |
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You're welcome...and that what Propsummit is all about: sharing |
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