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RKT falling off structure....what should I do?

post #1 of 12
Thread Starter 
I'm attempting a 3D T-Rex sculpted cake for my son's birthday this weekend. The internal structure is PVC & wood.

When I went to make the 'belly'...or bottom section, the RKT just fell right off. Is it possible to shape the belly with the RKT? or should I use something else?

(btw, I covered the structure with melted marshmallow before applying the RKT)
LL
post #2 of 12
Which recipe are you using? When making RKT for sculpting, I make the one on the box (-) the butter. Otherwise, it is too soft & won't hold.

www.VeryDeliciousDesserts.com

https://www.facebook.com/pages/Delicious-Desserts/207874222593145

 

It's never "just cake!"

 

You may get a cake for $way to little but you won't get this cake!

Animal
(4 photos)
 
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www.VeryDeliciousDesserts.com

https://www.facebook.com/pages/Delicious-Desserts/207874222593145

 

It's never "just cake!"

 

You may get a cake for $way to little but you won't get this cake!

Animal
(4 photos)
 
Reply
post #3 of 12
How large is the belly. I sent you a response to an earlier post you made about the same cake. RKT will NOT hold to create depth. It will give you a slight allowance to create the belly 'bump', but not the entire belly.
Can you post a pic of the structure you have so far? It may be a quick fix if people on the forum can see it.
post #4 of 12
Thread Starter 
Quote:
Originally Posted by DeliciousDesserts

Which recipe are you using? When making RKT for sculpting, I make the one on the box (-) the butter. Otherwise, it is too soft & won't hold.



I used 4 cups of cereal & 5 cups of mini marshmallows...no butter or anything, except Crisco to grease the bowl. I've covered the legs & had no problems, they are actually rock hard now that they've set.
post #5 of 12
Thread Starter 
Quote:
Originally Posted by Lynne3

How large is the belly. I sent you a response to an earlier post you made about the same cake. RKT will NOT hold to create depth. It will give you a slight allowance to create the belly 'bump', but not the entire belly.
Can you post a pic of the structure you have so far? It may be a quick fix if people on the forum can see it.



The structure is retangular with a board on top of the PVC to hold the cake portion. This also makes it weird to form the belly. It's 6" wide & 10.5" long.

I'll try to put up a pic.
post #6 of 12
I always take the path of least resistance. I would add a "belly support" to your frame. It can be done with a small rectangle of wood and 2 long bolts or screws.
I have attached a picture.

If you don't like that idea, then just get styrofoam, carve the belly, and epoxy it on to the frame.
LL
post #7 of 12
I make "underbellies" with packed on modeling chocolate. Works fine for me.

Rae
I love you, but your emergency is not my crisis!

They say that a little knowledge is a dangerous thing, but it is not one half so bad as a lot of ignorance.--Terry Pratchett (b.194
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I love you, but your emergency is not my crisis!

They say that a little knowledge is a dangerous thing, but it is not one half so bad as a lot of ignorance.--Terry Pratchett (b.194
Reply
post #8 of 12
Thread Starter 
Quote:
Originally Posted by Lynne3

I always take the path of least resistance. I would add a "belly support" to your frame. It can be done with a small rectangle of wood and 2 long bolts or screws.
I have attached a picture.

If you don't like that idea, then just get styrofoam, carve the belly, and epoxy it on to the frame.



Thank you for the visual! A friend made the structure, so I don't have the tools to add the board. I guess I'll give the styrofoam a try.
post #9 of 12
Thread Starter 
Quote:
Originally Posted by BlakesCakes

I make "underbellies" with packed on modeling chocolate. Works fine for me.

Rae



How do you make it stick? Are you building onto the frame little by little or are you molding the shape, then applying to the frame?
post #10 of 12
I add it on, bit by bit, directly to the frame. It won't work for something huge, but for the figure indicated, it should work fine.

Rae
I love you, but your emergency is not my crisis!

They say that a little knowledge is a dangerous thing, but it is not one half so bad as a lot of ignorance.--Terry Pratchett (b.194
Reply
I love you, but your emergency is not my crisis!

They say that a little knowledge is a dangerous thing, but it is not one half so bad as a lot of ignorance.--Terry Pratchett (b.194
Reply
post #11 of 12
Thread Starter 
Quote:
Originally Posted by BlakesCakes

I add it on, bit by bit, directly to the frame. It won't work for something huge, but for the figure indicated, it should work fine.

Rae



Thank you!
Another question...if anyone who's reading can answer....I was going to make the candy clay, but discovered I'm out of corn syrup. Has anyone had success with something other than corn syrup?
I don't have liquid glucose(or even know where to find it). All I have is glycerin....not sure if that would work.

I did come across a recipe that supposedly makes the glucose syrup. It was equal parts superfine sugar & water. Would it work?
post #12 of 12
Glycerin won't work.

I wouldn't try to make a syrup on my own. The water content has to be pretty exact to get the right results.

I'd run to the store and buy corn syrup.

Rae
I love you, but your emergency is not my crisis!

They say that a little knowledge is a dangerous thing, but it is not one half so bad as a lot of ignorance.--Terry Pratchett (b.194
Reply
I love you, but your emergency is not my crisis!

They say that a little knowledge is a dangerous thing, but it is not one half so bad as a lot of ignorance.--Terry Pratchett (b.194
Reply
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