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VladCruceanu

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Everything posted by VladCruceanu

  1. I have used the following tools: - Roller - Arabic Gum Liquid - Indian Ink - Tried two pictures: 1. Printed in color by a laser Xerox. 2. Copied black and white by another Xerox machine. Made everything as in the video: https://www.youtube.com/watch?v=jUNH6KvYGnk Tried 2 times with both pictures on soft leather hard clay and nothing transferred. Please help me understand what I am doing wrong.
  2. So I will get an ink based on oil. Should I use an inkjet printer? Other mistakes?
  3. I used a wrong ink? What type of ink should I use?
  4. I am looking to buy my first electric kiln and I need to know from your experience if 1-phase kilns are good. This is the kiln: Nabertherm Top 60 Eco - https://www.scarva.com/en/Nabertherm-Top-60-Eco-Pottery-Kiln/k-4947.aspx The same kiln with the exact same exterior and interior dimensions can be bought also for 3-phase with more loaded KW (1-phase is 3.6 KW and the 3-phase is 5.5 KW). How is this difference affecting the firing and the objects? Thank you.
  5. VladCruceanu

    How it's made

    How is this kind of wall made with hand building techniques? Straight walls are easy to build and join with 45 degrees cut. Being curved at the end is making me very curious. Sometimes I see bonsai pots that are don t have vertical walls but again, curved walls.
  6. VladCruceanu

    Need your opinion on 1-phase electric kiln

    Thank you all for joining this discussion and sharing your opinions, it’s very helpful. I will probably buy the electric kiln. I am also considering a wood kiln but it is a pretty complicated project and much more expensive. Will see.
  7. VladCruceanu

    How it's made

    Where did you bought the bonsai pot mould from? Thank you all for your help.
  8. VladCruceanu

    How it's made

    Something like this you mean? How did the guy made that 2-3 parts box? What material is that?
  9. VladCruceanu

    Need your opinion on 1-phase electric kiln

    Both 1-phase and 3-phase kiln has the same top temperature and the exact same dimensions. Probably the 1-phase will heat up more slowly? Are there any disavantages if I go for the 1-phase? I am asking because I have heard rumors but not from ceramists. My home permits the 3-phase as the house has the connection but from the ground floor to the 2nd floor, is very hard for an electrician to get the cables for a 3-phase kiln without making holes everywhere. The 3-phase cables will not have room in the existing pipes that are in the walls, made for actual cables.
  10. VladCruceanu

    How it's made

    Many thanks all for the replies. @Rae Reich Great ideas, cheers.
  11. VladCruceanu

    How it's made

    I understand how the mold works when I have the object but I am in the situation where I have to create the object and after that build the mold. The first idea coming in my head is to use a 3D printer for the object and after make the mold. How are you doing it? Perfect straight walls can be made only when using a mold or I should improve my techniques? I am hand building from slabs and when I am creating a larger pot (40 cm x 20 cm) it seems impossible to keep everything 100% straight. For smaller pots is not hard. Even if the large pot seems straight during the building and finishing phases, at bone dry level is always deforming. I am slowly drying to bone dry, covering the whole object with a bag and putting it on a shelf. The room is heated from the ground level and there are no strong airs inside, it's a closed chamber.
  12. VladCruceanu

    How it's made

    Same with this add on in the middle of the wall. Is it carved or added? If it's added on the wall, how can I obtain a straight, very thin form?
  13. There are several types of wood kilns for firing clay, the most used seems to be: - Anagama - Manabigama - Train style - Down-draft - Smokeless kiln type - Don't know if it is having a particular name. - If others, write them. Is someone here that can explain why should I pick one over another? All of them can hit 1300 C temperature? How large is each? Can be sized to fit a particular space in the yard? How many people should operate each type of kiln? Why a kiln should be fired for 24-72 h and others only for 9 h? It's a matter of kiln size?
  14. Spent good hours looking at this pot and trying to understand how can I do something similar. https://goods.bonsaimirai.com/collections/test-ceramics/products/geometric-square-no-1 Any ideas?
  15. VladCruceanu

    Irregular shape pot

    Anyone knows about a video of somebody doing a pot with the subtraction method? I cannot find on the internet.
  16. VladCruceanu

    Irregular shape pot

    The clay I am ordering is coming as 10 kg packages. To make a cube of clay, let's say 40 cm sides, so I can start carving it, I should combine several 10 kg packages. Probably 3 package for this dimension. If I will put one package on another and press it, will it combine? Having a very groggy clay I think that I won't be able to push it so hard and it won't get one whole piece of clay. A smaller cube is pretty easy to make, but how about a large one for a big pot? Any ideas?
  17. VladCruceanu

    Irregular shape pot

    It's great that now I understand the used techniques to build this type of pot, I am very curious what will come out from my first cube of clay carving. It seems very difficult (like everything which is great) and for sure surprises and challenges will appear during the work. Using the slab building - addition method works too, I have built a similar object but it's still far away from what I have tried to achieve. However, subtraction seems to be the way to go, or a combination of several techniques. Cutting all the paper pieces and establishing the construction sequence is very important, yet difficult for this kind of pot, especially when starting from a couple of pictures, and not having the pot in front of you. There are different shapes that needs to be combined at different angles, pieces that differ in thickness and totally irregular foots. Another thing is that the pot base is straight and everything around it is totally different (thickness, shapes, angles and so on). Any way, it's a well received challenge and something that I will pursue. Many thanks all for your help.
  18. VladCruceanu

    Irregular shape pot

    Many thanks, you opened my eyes.
  19. VladCruceanu

    Wood kiln types - Pros and cons

    There aren’t any wood firing kilns in the country I live or I coudn’t find them for the moment. I will start with the books so I can be more documented and continue from there. Hopefully the next year I will ask a buiding company to do one for me. There are people selling plans on the internet like manabigama.com but they are not answering my emails for the moment.
  20. VladCruceanu

    Wood kiln types - Pros and cons

    I ordered yesterday 3 books recommended by lots of people. The internet is not full of info for this topic, as some are saying. Nobody is detailing the types of wood kilns, the temperature they reach, why you should choose one over another and so on. What can be found, is that many people built different types of wood kilns based on their knowledge, books or based on simple plans they have found. My personal opinion is that you need to know what type of wood kiln you want, what size, what temperature to reach and in how many hours, and many other important aspects. Taking a basic plan from the internet and reproduced it it's not something that I would do. We can centralize all the info in this thread and make it a resource for anybody interested in this subject. This is a forum, this is what we are supposed to do.
  21. VladCruceanu

    Wood kiln types - Pros and cons

    I did searched the internet, quite a bit in fact, and I didn't found the answers for these questions. Such a topic will be helpful for anybody interested in wood kilns, having all the info well structured.
  22. Hey, Long story short, I did this pot using hand building techniques and as you will see in the picture, some cracks appeared. It's my 8th pot and the first to get cracks. The cracks I think that appeared because I pushed hard to make the round cut, after the base was put on the foots, not against a hard surface like I did to my previous works. What can I do? I have read a lot about magic water and magic mud. Will these work for stoneware or only for earthenware? I read that Patch a Tatch is ideal for earthenware for example. Is the same for the above solutions? If I bisque fire like this, without do anything else, will it blow or crack a lot more? What will happen after I will glaze the exterior of the pot as the firing temperature will be around 1,200 C? Many thanks for your help.
  23. VladCruceanu

    Stoneware cracks

    The pot was built for a future bonsai. Tiny holes and different walls thickness are part of the design. The irregular shape makes the pot much more interesting. One of you told me to cut the bottom and make a new one, this is something that I cannot do. The bottom is very well connected with the walls and the foots. Lesson learned, fully agree here. I searched a lot the internet, most of the experienced people say that the object should be thrown away and make a new one. Yes, I love every object I made and this is one of my favorite. I ordered a high-fire mender and I will try to cover the cracks. No matter what result I will have, I will let you know after the object will be bisque fired. Thank you all.
  24. VladCruceanu

    Glaze on bonsai pot foot

    Hi guys, I am just starting with pottery and glazes, finding it extremely interesting. In the past weeks I built a couple of bonsai pots, 2 of them being bisque fired. Stoneware was used. Next step in my journey is to glaze them. I bought 2 brush-on glazes and in the following days I want to start the work. My questions are the following: 1. I know that I am not supposed to glaze the pot foots because the glaze will stick to the kiln. I should apply wax resist on the entire foot or just on the part that will actually sit on the kiln? I saw pots that have the foots glazed, the lateral parts. How can this be achieved? Attached you will find an example. 2. The kiln owner is high-firing only for me because he usually is low firing kids items, so the cost is pretty high for me as I have to pay for the whole kiln every time. If I will glaze the 2 pots now, can I keep them safe and fire them in 2-3 weeks when I will have a couple of other pots made so I can pay for the whole kiln and have several items fired? Is there any issue if I'm firing glazed pots for the second time and bone dry for bisque fire, everything works at same temperature of 1.280 C? Thank you. Vlad
  25. VladCruceanu

    Glaze on bonsai pot foot

    Long story short, 2 weeks ago I went to the kiln owner for bisque firing and after he discussed with the kiln manufacturer, he decided to fire my stoneware directly to 1,280 Celsius with a slow heating curve. On the clay it was indicated to be fired at 1,150 - 1,280 Celsius. At that point I didn't knew what I know today. Yesterday I applied high-fire glaze which is indicated to be fired at 1,200 - 1,240 Celsius on these 2 items and the glaze stayed in place very well. I don't understand how this happened as everybody is telling me that my clay has been vitrified and will not accept the glaze. The kiln owner confirmed again today that he bisque fired my items at 1,280 Celsius. Today the kiln owner fired my glazed 2 items to 1,200 Celsius, hopefully tomorrow he will get back to the shop and call me to come pick them up. Let's see tomorrow or on Saturday how it went.
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