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Diana Ferreira

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Posts posted by Diana Ferreira

  1. oh Pres, what memories you bring back! I used to be a factory RN back in the day (ok, not so many moons ago, lol). and out of desperation to cut down on all the bandages and plasters that we issued the guys I ordered some finger cots. When my team of first aiders came for a meeting, I hauled them out, and told them that I added some of it to their boxes. After a week they were still in the boxes, and all the bandages gone. I queried this, and got told that the guys refused to wear condoms on their fingers! Admittedly, they look like condoms, hehehehe. Took another few weeks to convince someone to put on on a cut finger. The factory worked with steel, and the oils and lubricants they used, used to soil any bandage in seconds.


    I will look out for them. But in the meantime the credit card works very well as a scraper when mixing it through the sieves. I have 3 different sized sieves, that I got gifted a while back.


    Today has been a break day from the studio for me. And I loved it. Slept late and spent the rest of the day in my pajamas. It was good, but now I miss my work, and cannot wait for tomorrow :-)

  2. We used a normal wet&dry sanding paper today in the studio. (Silicon Carbide) for a client who wanted decals on unglazed porcelain. she was dancing around after a quick rub. the surface felt like satin. I sand my work both after the bisque and glazed firings (I only half glaze my work). It is easier for me to work wet, and there is no airborne ceramic powder either with the wet work. I normally use a 320 grit for my work, but for a final rub on a hight fired surface, you can go smoother.

  3. awww, I can just imagine those kids when they got home, and told the parents that they want to become potters! Lovely story Giltex.


    My fingers is still very sensitive, and had to do more sanding of work and mixing up more glaze. But this time i used a credit card. Why I have not done it before, is beyond me. It took less than a 1/4 of the time to sieve the glaze. Tomorrow is my first day off work since the 5th of March. I plan on sleeping till my body aches from laying in bed :-) The first batch of my sushi plates were delivered to the couriers today for the restaurant. The rest is in kilns as we speak. Sunday they will get a final sanding before i pack them up. And another batch of glazing, if the test tile satisfies a client.


    Enjoy your weekend!

  4. I have been working hard at getting a lot of stuff out of the studio. And as a result lost all traces of my fingerprints today. Had to mix up 5 kg of glaze and been sanding my bisque work. My index and middle finger actually started to bleed today. And I am also Miss No-Nails.


    Thank you for allowing me to be a Miss Wha-wha-wetpants :-)


    What made you a Ms/Mr Wha-wha-wetpants today?

  5. Our studio manager can fire her kiln almost 7 days a week - another prominent ceramicist in our city referred to her kiln as a microwave. She works with porcelain, fires to 1260C She gets occational warping, but not a lot. and she works extremely thin.


    I use spann rings for my work. I dry my cups and bowls upside down on them, and it helps to prevent my work to warp in the drying process.


    If your claybody is uneven in thickness, it can pull egg shapes in the glaze fire. If you slipcast, make sure that your slip is not too thick and sluggish when it pours out - this will cause the area that the slip is running off, to be slightly thicker. I know that one is 'not allowed to' but I actually shake my molds when I decant my slip.

  6. Oh how I wish that this forum had a 'like' button, like facebook!


    We are cautious at the studio where I work. In total there is about 16 people working in the studio. We wet-mop, and spray when cleaning. The guys who fettle some of the bigger pieces dry, work in the spray booth with the extraction fan on. The owner wants to get a specialized extraction table which is quite an ingenius piece of work. The woodworking factory next to us use these for sanding work. (sucking the dust down into the table, from where it is sucked out of the building.)


    But on the whole, I agree with the others. I live in Africa. It is dusty. I grew up in a small farming community and dirt was part of my staple feed, so to say. I am also a RN, and my whole family is all in the medical field. For that reason I do not use antiseptic soaps and cleaners in my house. I do not buy into the hype of using sanitizers, etc. And I might get a mild cold once a year, if that much.

  7. Inya, I forgot to add, if you weigh a litre of slip, it should be in the region of about 1.8 kg.


    And, ignore advice about 'correct' thickness. What is right for you, might not be right for someone else. And there is a big difference between casted work, and thrown work. And honestly, do you want work that is as thick as the cheap imported stoneware pieces you can buy in a shop?I used to cast my stoneware as thin as porcelain. Since I like thin ware. The black clay that I now use, is also about 2 - 3 mm thick, depending on the item. I only glaze the inside of my work, so I do sometimes get warping of my work in the kiln. But that is my risk that I take.


    Play and enjoy!

  8. Inya, do not add more water! First check to see if you can rectify the problem with your flocculant.

    too much water will thin out your clay-body, and it could cause more shrinkage of your work. Also, it will water-log your molds, and you will just get a few castings out, before you have to dry it out. I use a fan heater, but if you do not have that, or live in an area that is quite moist, it could take days for your molds to dry.

  9. I am also a caster of slip. At one stage I made my own slip from clay.


    Did you strain your slip? I always use a sieve and strain the slip into my pouring container just before I slipcast.


    If you have over-flocculated your clay, it will clot. I suspect that that is what happened here. Pour a little bit of your slip into a container (say about 250 ml - 500 ml). Add a drop or 2 of normal vinegar to it. and stir it. See if it becomes more fluid.


    I also do the above when I suspect that my slip is not correctly flocculated. I will then add a drop of my flocculant to the mix, and see if it becomes more fluid, or becomes thick and sluggish.


    This way you do not destroy a whole bucket of slip :-)


    Kind regards


  10. Ok, just to confuse you guys :-) I am going to use Celcius as measurement of temperature ...


    I leave my top bung hole open for a bisque firing till my kiln reaches 600C. this allows all moisture to evaporate, and make sure no damage to my elements. For a glaze firing, I keep it open to about 200C.


    If I am desperate to unpack a kiln, I will open the top bung at about 220C. And the door bung at about 180C.

  11. Just returned from a very good Potter's market. Our local potters association have 2 of these events every year, with the March one normally very quiet. This year we (more than 120 potter stalls) were inundated by buyers from 8 am :-) I sold all my old shapes and stuff that I still had a lot of stock of, and it was flying. So now I have a wad of cash to buy more raw materials, and energized to get to the studio bright and early tomorrow morning.


    It really seems as if our economy is making a turn for the better.


    Oh, and I found a local potter who is a whizz at glazes and she's offered to sell me some of her glaze. she used the same clay as I did and got an amazing colour on it. My customer, who has been dying to get a light blue on the black clay will be doing a happy dance! I really love it when people are willing to share.

  12. Are you kidding me Jim? Cape Town is one of the most visually pleasing places that I have ever visited. And now I am not talking man-made stuff, but just the place. We have this amazing mountain that falls in the city limits, a stone throw away from the bay. It gives us shade in the afternoon, and after a bit of rain it looks all bright and clean. I live underneath a little peak to the left of our beloved mountain. It is called Devil's Peak. Our South Easter howls and races down the valley past my house - as it is doing now. Some days it look as if our mountain is set for a meal with a soft cloud tablecloth spread across it. Walking/climbing up the mountain is a favourite past time, and if you are lazy you can use a cable car to get to the top. And from there you can gaze across the Atlantic, or into the distances of the start of Africa. I look at our mountain a couple of times a day. During the season our city will even light it up so that we can see it clearly at night! lol.


    Ok, enough about my city and our absurd love for a mountain ...


    thank you for the kind words. Much appreciated!

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