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CactusPots

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  1. When I see really radical glazes from gallery/ museum potters i.e. Brother Thomas, Chun Wen Wang, I always suspect multiple firings.
  2. I make planters primarily for cactus and succulent collectors. So my molds are mostly round or oval. From about a cereal bowl up to a wash basin in size. Other techniques for other shapes. Panty hose would work ok for smaller pieces. I tried a fabric called "4 way stretch" from a basic fabric shop. It moves like panty hose fabric, but you can get it in yard lengths. It works ok if you can pull it tight and pin it securely to the mold. I have it on a large round styrofoam mold with lots of thumb tacks. Too hard to get all the creases out on anything but a round mold. It does w
  3. I've been using a layer of plastic food cling wrap as a release agent on my hump molds. The super thin plastic leaves no impression apparent to me on the clay. It sticks to the clay but releases without issue from the mold itself. This technique really perfects hump molds IMO. I can form the body, add feet, textures, and a rim, immediately turn it over, remove the mold and finish the inside. Cling wrap is available in 18 inch widths.
  4. I'm going to add a third leg to Hulk's continuum. You could be anywhere between the 3 legs. A studio potter in my estimation, is closer to a artist in that they may not be concerned with volume the way a production factory is. It's harder to use the "hobby" label on serious studio featuring all the necessary tools and a 20+ year investment in time. There are lots of reasons why the income from the process may not be required for necessities, not related at all to lack of skill or dedication. In My Opinion (since I'm not one), a production potter is in fact limited in the amount o
  5. I think that is THE RIO available now. The Spanish RIO is generally not available anymore I believe. The stuff they are calling natural is what I was getting as brown iron oxide.
  6. I hate to even ask, as my materials storage is really full. I did think I had every available raw glaze ingredient, now you ask for synthetic red iron oxide. O Well. It's not even on Baileys or Laguna catalog. Where to get? I assume it's more "powerful" than red or even black iron oxide. Is that the difference? Is there a substitution ratio? What difference would I see if I ran tests between RIO and synthetic? For that matter Bone Ash and the synthetic? Just More Better?
  7. Challenge accepted. Both have inherent complications, gas firing simply has more. No where is gas easier or simpler. Obviously, first off, the management of atmosphere. Balancing damper and gas pressure. Knowing the kiln well enough to work with uneven reduction. Putting aside the modified electric to gas conversions, a typical gas kiln costs substantially more than a typical electric kiln. I would describe the typical gas kiln as about 24 cubic ft and the typical electric as 7-10, so a typical gas kiln has a larger footprint. An electric kiln is more likely to have an au
  8. Not surprising to me your explanation is mostly centered around academic ceramics. That's where most ceramics happens. Also, Cone 6 electric is just easier in every way than cone 10 reduction. Some of those ways are a very big deal.
  9. I'd like to see the glaze. Would this be considered a good food safe glaze? Not many of us firing cone 10 anymore I think.
  10. I'm convinced the best cookies for this are cut soft brick. I use a bandsaw with a shop vac attachment, because as previously noted I'm a tool geek. Cut on a bandsaw, they're perfectly even and absorb glaze really well. They're easy to grind off if needed. Without the joy of tools, a hacksaw and some patience will net a box full. They can be reused indefinitely. At least until they perform the glaze soak function. Most any old softbrick will cut into nice cookies. Don't need to use new ones, just have hoarder friends with piles they'll never use.
  11. In Southern California we would do something like this in the desert. I'd suggest some kind of similar environment. Maybe on a beach? Nottingham Art in SC did a pit firing in a open industrial area with FD permissions. If you could delay and schedule for a rainy day, maybe that would be an advantage.
  12. A diamond disk on a plexi bat on the potters wheel head with a water drip is well worth the trouble to set up. The diamond head when kept wet lasts a really long time. I put a drain to bucket in the catch pan. Live by the runny glaze.
  13. Follow up on the original post. Rented a very large wet tile saw. Thing had a 20 inch throw. It was loaded on my truck with a fork lift and I ran it in the bed of the truck. Went through the SC shelves like butter (almost). New damper works fine on 2 firings so far. Problem solved and 1 warped shelf eliminated from the rotation.
  14. What temperature would a cone 10 firing shutoff system be set at? Inattention kills, that's for sure. I see it everyday on the So Cal Freeways. Maybe self driving cars will eventually be better. Hard to say. Now that I think about it, what emergency control do non computer control electric kilns have? Lots more of those around than gas kiln these days.
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