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Callie Beller Diesel

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Everything posted by Callie Beller Diesel

  1. I make these thingys. Just espresso cups, with no signature and only a quick dip in a single glaze.
  2. Callie Beller Diesel

    Waterslide decal paper

    @Shawn check your inbox. @Chris Throws PotsI will only be messaging US residents with the name of the company that sells the printer with the iron free toner, and the reason I'm doing it that way is because we can't advertise products or services on the forum, for ourselves or anyone else. This is a forum used by people from all over the world. When purchasing some materials, supply issues and import tax are also considerations. Because the forum is based in the US, I have to be mindful of how I disseminate this information, particularly because I'm a moderator. For those outside the US, I will put you in touch with someone who sells the decal paper Bel was using, as the patent doesn't extend beyond the US borders.
  3. Callie Beller Diesel

    Sulpure free clay

    I'm in Canada. My kiln is outdoors in a metal garden shed. It's not computerized, but it does have a rudimentary timer/relay control on it. It's fine. Computerized kilns may require a space heater to bring the controller up to about 4 degrees C so it will turn on, and it takes slightly longer to fire when things get down to the minus double digits, but I find as long as it's out of the wind, the difference isn't too drastic.
  4. Callie Beller Diesel

    small deal event was successful!

    I am constantly delighted by the sense of community that can be found in doing shows, and I've noticed it often seems to touch things on the edges like that. I'm glad you got your car unlocked ok, and I hope your take was huge!
  5. Callie Beller Diesel

    How to measure out chemicals for glazing

    @Mike.Kelly your math is indeed correct. The glory of the metric system is that it's very easy to scale things with by simply moving the decimal place like that. I am going to contradict liambesaw though: a specific gravity of 1.6 is denser than 1.4. I mix my dipping glazes to somewhere in the 1.4-1.45 range. 1.6 would be entirely too thick for what I want. Mostly, measuring the SG of a glaze is done for your own frame of reference. Some of it will depend on how thick you want the glaze to go on, some will depend on how porous your bisque is, and some on how you're applying the glaze, as noted above. Once you get a bit of a feel of how thick (or not) a glaze needs to be applied, you record the sg so you can get repeatable results.
  6. Callie Beller Diesel

    recent autism pottery activity

    Welcome back Jed! I'm relieved to hear you haven't been in jail . It looks like you've been doing something very rewarding indeed.
  7. Callie Beller Diesel

    Air purifiers for silica dust?

    With silica dust, prevention is better than cure. You’re better off working clean and mopping regularly, particularly if you have a studio in your basement. It’s not the dust you see that is the stuff that causes health issues: it’s the smallest particles. In terms of filters, HEPA 99 or 100 is what they recommend for glaze mixing. Monona Rossol refers to anything else as a false sense of security.
  8. Callie Beller Diesel

    EPK vs China Clay

    A Canadian ex pat friend in Ireland tells me they substitute China clay in for EPK in recipes that originate on this side of the Atlantic with little difference. There will always be the odd glaze that is sensitive to changes in materials, but they tend to be the exception that proves the rule.
  9. Callie Beller Diesel

    Newbie Question re: plaster

    The guy that taught me plaster casting encouraged us to clean out our molds with acetone if we had used something other than mold soap as a release, so I think if you go gently and test it before hand you could try chemical methods. A rough Google search tells me that either Vaseline or mineral spirits will dissolve plasticine. Maybe try one of those?
  10. Callie Beller Diesel

    pottery studio in home

    Welcome to the forum, and congratulations on your new studio! I don't personally have an air purifier in my basement studio. I work as clean as I can, and wet mop after every trimming, glazing and reclaim mixing session. By wet mop, I mean I pour about 5-6 gallons of water on the floor (the room is about 10'x12') and mop it up thoroughly. Preventing the clay dust from getting airborne in the first place is a better practice than using a filtration device to clean it up after its in the air where you can breathe it. I also have a very strict studio shoes rule so that clay dust doesn't get tracked through the rest of the house.
  11. Callie Beller Diesel

    Custer Feldspan vs Soda Feldspar

    It may affect things like colour response, particularly if you’re using copper. Sodium is needed to push copper towards a turquoise colour, rather than something more green. And it might make a difference in your glaze fit, depending on how well the original glaze fit your clay in the first place, although as noted in the article above, probably not a big difference there.
  12. Callie Beller Diesel

    Add saying plate or carving sayings into mugs

    Some of the trick is having a sharp tool, and catching the clay at the right hardness. You want it at the point where the shavings will come off the pot and not stick at all.
  13. Callie Beller Diesel

    What Is Ceramics, Is It Art?

    I laughed a bit Yappy, because I made 50+ wheel thrown pieces, including 25 mugs today out of brown clay, none of which were globes. Half of them were mugs. I think maybe you're thinking of Marcia, and her amazing raku globes she's been making lately.
  14. Callie Beller Diesel

    Do You Store Your Glazes Dry Or Wet?

    It takes 1000 mg to make one gram. 8 oz of water is about 236 ml Assuming your 400g batch of glaze contains 1/2 it’s weight again in water (200g), you have added somewhat less than .00189 of a gram of sodium to your glaze batch via your water. That quantity isn’t enough to make your glaze craze. You leave more than that in residue on the container you weigh out into. Unless you have unusually high levels of something like iron or lead in your water, using distilled water shouldn’t be necessary, and at that point you’re probably having to filter it to make it drinkable. You do occasionally hear of someone using rainwater, but that tends to be someone with no running water in their studio and a rain barrel outside.
  15. Callie Beller Diesel

    glazing in red and black

    I agree that some kind of Nerikomi is going to be the best way to get those swirly yet distinct lines. I'd find a nice red clay rather than going for that much red stain however, for the sake of your own health and safety. Related-looking may be better than a total match.
  16. I think people choose to use various handle making techniques based on personal preference, not necessarily because one is intrinsically better than the other. The people I know that feel strongly about pulling handles make the time to pull them, and those that deeply despise pulling handles find lots of other creative ways of making them. Extruding, handbuilding and pulling all have methods of making sure the clay is compressed, and as you said, it's supporting a beverage, not a car. Good joins are definitely the place to pay the most attention to if you're thinking about increasing handle strength.
  17. I would love to know what everyone’s studio looks like. Remember, if it’s messy, it means you’re working in it!
  18. Callie Beller Diesel

    Waterslide decal paper

    @Handprintstudio check your inbox.
  19. Callie Beller Diesel

    Need help choosing clay for Paper clay

    You glaze and fire paper clay to the specifications of the clay body that has paper fibres mixed into it. If you're making your own, you can have paper clay that fires to whatever temperature you like. If you're buying premade, just follow the manufacturer's directions. The paper fibres burn out at the same time that all the other organics do in the bisque. Because there's so much extra stuff to burn off, it's a very good idea to give the work some extra time and lots of ventilation to allow everything to clear out completely.
  20. Callie Beller Diesel

    Waterslide decal paper

    The the process she's claiming patent on is the one where you make sepia/black toned decals using decal paper designed for the purpose and a regular printer with enough iron in the toner. These are usually the easiest kind of decals to make yourself. It's why she's going after Bel Decal for selling the sheets you can do this with, and why Bel has stopped selling said sheets. She's not concerned with anyone silkscreening anything, anything involving China paint, or any of the more expensive commercial decal printers. One of the makers of the fancier printers that handle ceramic pigments and China paints has come out with a basic model that prints only in black for a fraction of the cost of their more usual models. They developed a special ink that doesn't contain iron, specifically so that they'd be exempt from these lawsuits. I believe they demonstrated at last year's NCECA. @Rae Reich you wouldn't get into trouble for mentioning processes. The description you've given isn't a tutorial.
  21. Callie Beller Diesel

    Age of dry materials

    If the Ajax kaolin is not useable in any of your glaze recipes, it could go towards kiln wash.
  22. Callie Beller Diesel

    Need help choosing clay for Paper clay

    It’s funny you should mention a horse. The first time I used paper clay involved an assignment to build animal sculptures. Yes, it’s feasable. Paper clay allows you to build lighter and stronger pieces that don’t crack nearly as readily while drying, and pieces attach readily. The paper fibres will lend a lot of strength to a piece, at least until it’s fired. The fired piece will be more porous.
  23. Callie Beller Diesel

    Age of dry materials

    Ask the family if he had some kind of glaze book he kept. Could be a starting point for some experimentation.
  24. Callie Beller Diesel

    Looking for a cone 6 grey glossy glaze recipe

    You will have fit issues if you use a cone 6 glaze on a cone 10 clay body, and you will have further issues because the clay won't be mature at cone 6. It will make your pots less durable, and you will likely find that they weep. Bmix does have a cone 6 version. Switch to that if you don't have access to cone 10 firing. It'll prevent a LOT of headaches.
  25. Callie Beller Diesel

    colored slips

    I would check with your ceramic supplier and decide for yourself what's cost effective. Pink, yellow and purple are all very straightforward colours to achieve if you're using stains. Some more traditionally trained potters can have a bias against them (it's cheating!), but in my opinion they're just another tool in the box.
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