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13

Fascinating project. The solution was right in your question; make it like a cracker — flour. You're essentially making a sturdy paste instead of a glue. I mixed: 3 parts sand 1 part all-purpose or bread flour Water, just enough to wet the sand I drained off any excess water, packed it into a mold and let it dry in the sun (1-2 hours?). I guessed ...


3

I hate to be the bearer of bad news but 2" PVC will not handle the stress that a working slingshot goes through. The best fix for what you have would be under the comment Aloysius D mentioned about joining the top to the bottom with 45 degree braces. I think it would still want to roll backwards on you on the draw to use it. That's when it will fail at the ...


3

A rather natural and realistic looking imitation you can opt for, is real leather that has been made to look like stingray leather. This is bonded leather, and made by pressing leather scraps mixed with a binder, often rubber. This specific imitation is quite hard to find, though. There are also faux leather alternatives (polyurethane and PVC) to this. ...


1

You don't necessarily need 45 degree pipe -- you might be able to reinforce it enough with guy wires. It would be better if the base were an 'H' shape, so that you could go from each corner of the base up to where the rubber tubing would be attached. What what you have currently, you might still be able to get away attaching two from each upright to the ...


1

Spirit gum is the classic adhesive for makeup work. This time of year you can get it wherever Halloween costumes are sold. The rest of the time, amazon probably carries it. As for improving your creation's durability, I would suggest painting it with several layers of skin-friendly non-oil-based makeup paint. Allow this paint to thoroughly dry before ...


1

That material is not likely to survive very long. Normally you would make the piece out of latex or silicone, because those materials are resilient. However, I can recommend that you use rubber cement. It is generally (unless you are allergic, which you can test by putting a small dab on your skin, if it itches or get red, wash it off immediately with warm ...


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