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Author Topic: acetone effect on pony *Updated July 8th: G3 pony*  (Read 2621 times)

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Offline DreamvalleyMLP

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Re: acetone effect on pony
« Reply #15 on: May 26, 2018, 12:42:02 AM »
 >_< I've never seen that on a pony or any other soft vinyl toy, thankfully.

Anyway, the experiment is still going forward. Peachy has turned in her consent form; her body will be donated to science!
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Offline DreamvalleyMLP

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Re: acetone effect on pony *UPDATE page 2*
« Reply #16 on: June 02, 2018, 03:04:30 PM »
It has started. Peachy has been dunked in the mixture a few minutes ago. I used 50% tap water, and 50 % pure acetone. It smells horribly btw, do this in a well ventilated area.

I'll keep you posted :)

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Offline RoseNoire

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Re: acetone effect on pony *UPDATE page 2*
« Reply #17 on: June 02, 2018, 03:39:01 PM »
Well, I wonder what will happen.
Wait and see. For science.

Offline DreamvalleyMLP

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Re: acetone effect on pony *UPDATE page 2*
« Reply #18 on: June 02, 2018, 04:30:54 PM »
She definitely feels much more squishy by now, but I don't see a size difference as of yet.

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« Last Edit: June 02, 2018, 04:46:08 PM by DreamvalleyMLP »
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Offline Noasar

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Re: acetone effect on pony *UPDATE page 2*
« Reply #19 on: June 02, 2018, 06:07:21 PM »
This is really interesting. Maybe you need the everyone to be stronger to see more of an effect?

As for something to stop the head shrinking again, could you use quick drying plaster or compacted sand or something similar that can easily fill the shape?

Offline DreamvalleyMLP

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Re: acetone effect on pony *UPDATE page 2*
« Reply #20 on: June 02, 2018, 06:33:13 PM »
This is really interesting. Maybe you need the everyone to be stronger to see more of an effect?

As for something to stop the head shrinking again, could you use quick drying plaster or compacted sand or something similar that can easily fill the shape?

I have added more acetone, so the ratio is now 40/60 water/acetone. It's been two and a half hours, and she has grown a full centimeter. It's very noticable, and above all, the expansion is very even! She is however very very soft; it feels like she could be ripped apart with bare hands.

As for the prevention of the shrinking; I have a stack of tissue paper ready to fill the body and head with.

More pictures coming soon. I want to leave her to grow a little more before I take her out for a quick photo, after which she'll go back in. I also have a second peachy to compare the expanded one with.
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Offline RoseNoire

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Re: acetone effect on pony *UPDATE on page 2, after 2,5 hours in acetone*
« Reply #21 on: June 02, 2018, 07:22:57 PM »
Are you sure tissue paper is dense enough to hold the shrinking ? I'm doubting that.  =/ Sand might be better.

Offline DreamvalleyMLP

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Re: acetone effect on pony *UPDATE on page 2, after 2,5 hours in acetone*
« Reply #22 on: June 02, 2018, 07:50:09 PM »
Are you sure tissue paper is dense enough to hold the shrinking ? I'm doubting that.  =/ Sand might be better.

I was thinking of soaking it in water so that it would indeed be more dense, but sand could be better, yes. I just hope I can find some around here.

Here are the comparison shots of a regular Peachy and the experimental one:

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I have put her back in the acetone for a few more hours. Maybe I'll leave her overnight.
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Offline Safflower

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Re: acetone effect on pony *UPDATE comparison pics on page 2*
« Reply #23 on: June 02, 2018, 07:57:00 PM »
It looks like it's going really well!!! The paint looks good :) I wonder how much she will grow! So exciting!!!

I think you should use compacted sand. Tissue paper may not hold up and if it's colored, the dye could transfer.
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Re: acetone effect on pony *UPDATE comparison pics on page 2*
« Reply #24 on: June 02, 2018, 09:31:47 PM »
Peachy, you're so big! Wow!

I'm of the mind that nothing short of quick-dry cement will keep her from shrinking back down, but we will see what happens!! Good luck! :O
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Offline Jordan

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Re: acetone effect on pony *UPDATE comparison pics on page 2*
« Reply #25 on: June 02, 2018, 10:00:37 PM »
omg I didn't think this was actually going to work! :O thanks for trying for us :D

Offline Noasar

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Re: acetone effect on pony *UPDATE comparison pics on page 2*
« Reply #26 on: June 02, 2018, 11:09:20 PM »
Yeah I don’t think tissue would be strong enough to stop it contracting but you can try for nothing - and just have another go with a different Peachy if it doesn’t work. There is such a noticeable difference in size!

Just thinking, you could also use expandable foam in her head - it will expand to fit the shape and then dry hard but it’s lightweight and should be able to be picked out when she has hardened again. It dries very quickly. 

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Re: acetone effect on pony *UPDATE comparison pics on page 2*
« Reply #27 on: June 02, 2018, 11:30:20 PM »
Oh wow, the progress photos are amazing! I look forward to seeing whether your stuffing method keeps her from shrinking. If this works I'll be needing a giant pony of my own lol.

Offline tailrustedtealeaf

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Re: acetone effect on pony *UPDATE comparison pics on page 2*
« Reply #28 on: June 03, 2018, 01:45:46 AM »
This is such an interesting experiment! Thank you for the very detailed posts.
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Offline DreamvalleyMLP

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Re: acetone effect on pony *UPDATE comparison, 17hrs in*
« Reply #29 on: June 03, 2018, 08:15:00 AM »
She definitely continued to grow a bit more overnight. She looks fantastic, and feels very rubbery. Her legs wiggle about like tiny water balloons when handling her. For my next attempt, I'll have to use less water though. Especially since the paint on the eyes and the symbols remains unharmed, I think the acetone can have even more of an impact if I keep the ratio water/acetone to a bare minimum. I returned her to the solution until I can get sand to fill her up, this afternoon. I've been milling over Noasar's idea to use expanding foam as well.

I sooo hope this works out fine in the end, because I'd love to make this the basis for a custom pony line. I do want them to be even bigger though, and I think it's possible.

It will be interesting to see what happens to a unicorn's horn or a pegasus' wings! And can you imagine: a Ponzilla version of a baby sea pony, or an adult sized newborn!

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« Last Edit: June 03, 2018, 08:34:49 AM by DreamvalleyMLP »
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