I've got crabs

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Blog entry by kolwdwrkr posted 09-23-2010 06:36 AM 1900 reads 0 times favorited 7 comments Add to Favorites Watch

Yep, you heard it right. I’ve got crabs. Well a crab, and it’s form. I was doing a glue up with some resin glue
and decided to put some of it into a form. The form is a crab, and not really a form. It’s a sand toy. You press it into wet sand like a cookie cutter, lift, and low and behold you have a crab that crumbles apart as you lift the plastic off. Yippie. I love the look of frustrated children as they throw a crumbled crab. LOL
I let Heidi press it into the form. My fingers are way to manicured for that crap. After allowing my little project to dry overnight, I removed the crab. It was still damp when I removed it, as well as flimsy. I don’t have pics of that, but this is the result after 4 days.
This thing is harder then a honeymooners you know what on a friday night. Nearly brittle to the point of glass. It also shrunk like a polar club swimmers you know what after a fridgid dip in the arctic.
I guess the cool thing is that it kept its shape. I’ve been toying with the idea of using sawdust and making sculptures in the same fashion. Hasn’t happened yet, but it will. It’s a good thing that the can didn’t say “will not shrink or crack” like most glues.
Anyhow, that’s all I have to say about that.

-- ~ Inspiring those who inspire me ~

7 comments so far

View learnin2do's profile


889 posts in 2850 days

#1 posted 09-23-2010 06:59 AM

Plumber’s putty makes a wonderful relief mold. -kids handprints come out with every line and scar!! And it is pliable! It is a little stiff, but if you can press the object into it, you can fill and usually remove it. -the newer the better, and work it with your hands, but it smells kindof icky, and is hard to wash this filmy feel off. I’ve used plaster and rock-hard putty in it, but not glue-dust filler yet; thought about it too though. I love my piles of sawdust, sifters, and gallons of woodglue! I was about to tackle the trailer leaks with them, after giving up on everything else!

-whoah, that is a lot of shrinkage!!

-- ~christine @ used2btrees

View lanwater's profile


3111 posts in 2933 days

#2 posted 09-23-2010 08:18 AM

I usually brush “liquid rubber” on the toy (4 layers)
Peel it off, I got my mold.

I Then mix some Plaster of paris (home depot) and pour it in the mold.
Let it dry.
Peel the mold off.
Presto, got a plaster toy the kids can paint on.

-- Abbas, Castro Valley, CA

View Grumpy's profile


23928 posts in 3850 days

#3 posted 09-23-2010 09:54 AM

Very crabby idea. LOL. Good one Keith, should keep the kids amused.

-- Grumpy - "Always look on the bright side of life"- Monty Python

View mafe's profile


11725 posts in 3088 days

#4 posted 09-23-2010 10:50 AM

I don’t take no ‘crap’, but I love your post!
It’s not only wonderful that you do it, but even more that you post it.
Go for it!
Make some sawdust art, I can’t wait.
Best thoughts,

-- MAD F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

View SPalm's profile


5320 posts in 3881 days

#5 posted 09-23-2010 02:14 PM

That shrinkage is amazing.

Back in my homemade CNC days, I had an idea of squirting sawdust-glue instead of routing. So I could draw 3D art-forms with the machine. I think I was drinking at the time.

Looks like fun,

-- -- I'm no rocket surgeon

View Steven H's profile

Steven H

1117 posts in 3059 days

#6 posted 09-24-2010 02:13 AM

What do you use the plastic resin glue primary for? I would have to try it since there are many resin that haven’t tried.

View Kristoffer's profile


675 posts in 3215 days

#7 posted 10-04-2010 06:11 AM


-- Cheers and God Bless

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