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Casting from an original carving #7: Breaking the mold

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Blog entry by Jordan posted 940 days ago 3937 reads 0 times favorited 8 comments Add to Favorites Watch
« Part 6: Constructing the mother mold part 1b Part 7 of Casting from an original carving series Part 8: Pouring the casting material - the end »

Yes, yes, I know I have, LOL.

I can tell you now that as of Monday, I never thought this week would end!

My stubbly haired arms are burned from acetone(and shaving, haha), I have dried plastic stuck to them and many silicone balls hide in corners of the house. However I’m hoping that my efforts will make further castings a breeze.

You can help my by crossing your fingers that I have indeed applied enough mold release or I’ll be asking one of you for a chainsaw to help me finish this blog!

.....tick tick tick, Okay, here it it.

My first chore is to pry the ‘entire’ item from it’s table, then I will use my Dremel to lightly machine the outer edges so I can get a clear view of where my separation lines are on the mother mold. It is easy to grind.

Then I gently pry the pieces where they separate easily until all are removed.

I actually ended up with 7 pieces – one broke but it’s in an area that is easily belted together.

Then I draw cut lines on my rubber and while I’m actually cutting, I make sure the cut lines are where I won’t mind trimming excess resin that seeps out of those later.

Wanting to keep the rubber in one piece, I gently pull it away from the gourd which was pretty easy on the outside but it had adhered to dry plant material on the inside so it was a bugger to remove with so little room to move my hand around.

It’s in the laundry sink soaking right now and will later be examined for bubbles and thin rubber areas that might need patching.

The gourd remained unscathed.

Thank you so much for your interest. Next step will be tomorrow as we test out the mold with resin.

-- http://www.jordanstraker.com



8 comments so far

View patron's profile

patron

13020 posts in 1977 days


#1 posted 940 days ago

X X

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View lumberdustjohn's profile

lumberdustjohn

1248 posts in 1803 days


#2 posted 940 days ago

Have a good weekend.

Keep us waiting, I think I can here a drum rolll…

-- Safety first because someone needs you.

View lanwater's profile

lanwater

3077 posts in 1570 days


#3 posted 940 days ago

They have been crossed. XXXXXXXXXXXX

-- Abbas, Castro Valley, CA

View carverofwoodnivory's profile

carverofwoodnivory

3 posts in 1296 days


#4 posted 940 days ago

Nice going Jordan …. Everything will be great I have confidence in you ….;)

View lanwater's profile

lanwater

3077 posts in 1570 days


#5 posted 940 days ago

I have few questions about holding the inside during material casting. But I am going to wait, I am very sure you have more than figured out how to do it.

-- Abbas, Castro Valley, CA

View Jordan's profile

Jordan

1358 posts in 1761 days


#6 posted 940 days ago

Ian, I am just going to lay the rubber back into it’s shell and clamp all of the shell pieces together. I will pour it upside down. There will of course be a bit of seepage from the cut lines but the resin or wax dries faster than anything that could flow out.

-- http://www.jordanstraker.com

View LittlePaw's profile

LittlePaw

1571 posts in 1714 days


#7 posted 940 days ago

I’m not sure I undestand all that’s going on here, Jordan. So I’m going back to your first blog and study it step by step.

-- LittlePAW - The sweetest sound in my shop, next to Mozart, is what a hand plane makes slicing a ribbon.

View Joe Lyddon's profile

Joe Lyddon

7689 posts in 2688 days


#8 posted 940 days ago

COOL procedure!

When you say “Clamp”, are you, in a way, saying you’re going to wrap it with Packing Tape (or something like that)?

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: http://www.WoodworkStuff.net ... My Small Gallery: http://www.ncwoodworker.net/pp/showgallery.php?ppuser=1389&cat=500"

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