T1 and T2 Endoskeleton Research Thread

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I made an intermediate mold of one half of the gearbox case. I’ll pull a resin cast and see if it turns out good enough to build my new temple masters on. If so I’ll mold the other side too.

-Dana
 
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First casting looks pretty good, I expected to have to drill some of the holes out post-cast. It looks like I did get 2 bubbles in the interior pins though. I’ll see if I can fix that in another cast. Else I’ll repair/replace that as I work on the new masters.

-Dana
 
Oh WOW, that's looking like a super clean casting. What silicone and resin are you using?
Thanks! I use Smooth-On products in general. For this part I used Mold Star 30 silicone and Smooth-Cast 300 resin. Tinted grey with their SO-Strong black tint.

I spray parts with Mann Ease Release 200 before molding.

Before I cast parts like this, I spray the mold with the same release, and lightly dust the mold with baby powder before I pour the resin.

-Dana
 
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I cleaned up that CPU port casting (snapped from the Timeless skull). Just got rid of the tiny air bubbles that were in some of the hole features and gave it some fine sanding. I’m trying not to over-clean or sanitize the parts so they still have flaws like the screen used ones do.

-Dana
 
Cool. But man. They really did sharpen those lines almost excessively.

Regarding the scan: sadly, due to the fact that I used metallic rub'n'buff on the skull it is now a little difficult to scan. If I had left it as it was, it would have been much easier. The shape is there, but sharp lines and details are a little fuzzy. I'll do a more thorough scan later once I get everything set up and get some of that evaporating concealing spray.
 
What kind of paints can you use on top of Rub'n'Buff and not risk a negative reaction? I think the R'n'B may even act as a buffer between the foam surface and the paint... so could make it safer to try and paint it. I don't know. I'm not that knowledgeable regarding paints.
 
What kind of paints can you use on top of Rub'n'Buff and not risk a negative reaction? I think the R'n'B may even act as a buffer between the foam surface and the paint... so could make it safer to try and paint it. I don't know. I'm not that knowledgeable regarding paints.
I don't personally have any experience painting over Rub'n'Buff. I used it once or twice 20 years ago. I remember it was like a wax-based product. Which makes me nervous about the idea of painting over it. I did find this thread here on the RPF regarding the matter:


Looks like a few people may have some experience doing it, and sounds like they're saying to use an acrylic clear coat over it first to seal the wax. Anyway, I don't know... thought maybe that thread might help.

-Dana
 
What kind of paints can you use on top of Rub'n'Buff and not risk a negative reaction? I think the R'n'B may even act as a buffer between the foam surface and the paint... so could make it safer to try and paint it. I don't know. I'm not that knowledgeable regarding paints.
When in doubt about the reaction of a product; you should get a test piece and write the different steps you took to achieve the effects you need;)
 
When in doubt about the reaction of a product; you should get a test piece and write the different steps you took to achieve the effects you need;)
Yes, this is such good advice. When I was testing metallic paint finishes I wanted to see what prep, base coat, and clear coat combinations would give me the look I was going for. Set up a bunch of numbered spoons and kept notes on exactly what I did to each one:
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-Dana
 
We talked about the DeltaDesignRus model earlier, which was reworked from an M1 scan. This is how my foam skull compares to it.

He got really close, but where he differs, it's really profound. The main issue with his rework are the temple openings - he probably didn't account for the uneven shrinkage of the M1

Honestly, the fact that I'm actually 3D scanning again blows my mind.

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