Can't believe I haven't thanked you for this idea.
I haven't made it yet, but have all the ingredients. I'm finding your typical mold making materials kind of expensive for someone unemployed so I love that I can melt it back down and recycle it. I'll have to see how it works for making molds. Thank you again!!
I figure the most mold making is discussed in this section of Crafter. So I tried making a two part plaster of paris mold of a piece of tree bark (it's like a cave) but despite using silicone release spray on the bark side (I couldn't vaseline it well), it's pretty stuck in the plaster. I don't think I can get it out without either breaking the tree bark, or breaking the plaster. I'm going to have to break the plaster.
I don't understand what went wrong? Silicone release spray should have worked, shouldn't it? Even on wood?
Another problem is that the clay stuck in some parts to the plaster as well and I have to really scrape it off.
Okay, I'm actually sculpting concrete, not clay, but much of it is the same, except that hand fatigue is much worse. So I'm wondering if anyone can suggest metal sculpting tools that offer some kind of protection against hand fatigue? Or if someone can think of better sculpting tools for this craft? You carve when the concrete is still "green", which means uncured, but it's still harder than clay.
A rotary tool and bits work to some degree, but some parts and materials are too delicate and the spinning motion creates crumbles, in which case I have to use hand sculpting tools.
Okay, it DOES seem to be making a difference, I guess. But there's a new problem that keeps occurring now. It keeps pulling the fabric into the machine, down where the bobbin is. I have no idea why it would be doing this. I don't think I have the tension set too high because I'm not getting puckering. And I have it threaded correctly, bobbin and spool.
It makes no difference how I turn the tension knob, I don't see any difference in the tension. I'm not sure it's functioning correctly and now, my bottom stitches are loose. Any advice? How do I tell if it's actually working or not?
I did it the other day but with different ingredients. First, I did use 100% silicone type 1. That's windows and doors, not kitchen and bath.
I added five drops of glycerin and a squirt of acrylic paint, then stirred to blend well.
I'm not sure how great this stuff is. It's VERY hard to brush on, if that's what you're doing. The best thing would be to press shapes into a bowl of it, like you seemed to. It also sets very quickly, maybe too quickly to work well with.
Has anyone made any molds, or even casts, with Great Stuff! foam? I have some and like that it expands to fit and will generally hold it's shape and not be too flimsy to work with when dry. I haven't used any to cast or mold with yet. I imagine I'd need a good release agent.
I'm hoping to hear from people who have this experience and can give me any heads ups that may help.
I know this post is old but you can find good deals on sewing machine on Craigslist from time to time (check prices so you don't get taken) or even free on Freecycle. That's where I found my Singer Merritt 2404. It can with everything except the manual, which I found for free on the internets. Nice machine.
I'm using a Singer Merritt 2404 right now. It has a pretty strong stitch and I'm pretty happy with it. I don't think I need to get an industrial sewing machine, it works well enough.
Three things I'm wondering are:
1. When you start sewing, it requires you to leave a long tail of loose thread or it pulls it through the needle. This is wasting a lot of thread. Is there anything I can do about this?
2. It allows allows for you to fit a pretty standard size thickness of fabric under the foot. But I'm wondering if the machine can be altered to allow for even greater thickness? I don't know what the metal rods are called that connect to the foot, but does anyone know if there's a way to shorten them or buy shorter ones?
3. It takes some kind of special bobbin reels. They're shorter and shaped differently than the regular ones I usually see. Does anyone know what these special ones are called so I can buy more?
Well, I suck and take forever at anything sewing related as it is, but putting in all those pins just to take them back out again takes up most of the time. Is there any alternative? Do they make temporary adhesive or something that I can be using instead of all those pins?