Cylena
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Posts posted by Cylena
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5 hours ago, Rae Reich said:
You can make a custom one and bisque it while making more branch tests.
Great idea!
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23 hours ago, PeterH said:
Well done! Is that before or after firing? If it's after I'm very pleasantly surprised at the absence of visible cracking.
Looking at the angles those thorns come out at aren't you going to need a highly multi-part mould to avoid undercuts? (And/or a spectacularly meandering parting line.)
Making the problem of achieving a clay build-up for your first plaster pouring even more difficult/fiddly.PS Idle thought. If the wood has burned out cleanly would casting a layer of paperclay inside the bisque be possible? It would strengthen the work -- and allow the original layer to be a thin as the first firing stresses allow.
Yes I think you’re right, a plaster mold would be complicated and unlikely to work. Pictures are after 1 firing. The wood has completely burned out but I don’t think casting inside the bisque will work for my aims. I want to keep the translucency.
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23 hours ago, Rae Reich said:
I wonder if some of your breakage during firing is due to the irregular shapes of the branches, so that they do not rest their weight equally on the points of contact with the shelf. Maybe a shallow, silica sand filled tray to nestle them in so that they’re resting on the sand all along their lengths?
Interesting point! I’ll ask the kiln tech if there’s a tray available.
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Couple of close ups
- Kelly in AK, Rae Reich and Hulk
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On 4/6/2024 at 9:31 AM, Kelly in AK said:
The photographs suggest multiple techniques. Slip casting or a two part sprig mold to capture the finer details seems more appropriate for some parts. Paper clay is a good choice to get something long and skinny to survive the process. I imagine it’s possible to slip cast paper clay
Coating with slip progressively diminishes surface detail, and you've got to build up a little just for structural integrity. It’s also going to shrink around the branch. Paper clay is miraculous, not sure it’s this miraculous.
Good luck on your challenging project!
This is exactly the challenge: enough coats to survive the kiln YET STILL have the details that makes it unique. The pictures attached are from my first attempts where I painted on paperclay slip with a brush. (Banana for scale lol) Most of the branches were 50-60cm long so all of them are only partially intact. I'm getting better coverage by dipping rather painting the slip but I don't want to lose the thorny-ness of the thorns. Maybe a plaster mold would work? Hmmm...
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Thank you for the links. I'm not trying to make nests though. I need individual branches.
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I am trying to make porcelain sticks/branches by painting twigs with paperclay slip (Scarva's Flax paperclay watered down). I know I need to have at least three layers but often some of the first coat rubs off as I'm applying the second. I've tried applying first coat by dipping then further layers with a brush, letting it dry completely between coats. I've considered spraying but I'd have to source my own sprayer with a wide nozzle. I'd look into it if there was a chance it would work. Or perhaps I should buy Scarva's ready made paperclay slip?
Any advice appreciated!
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Thank you. I will roll a new slab, this time with more paper clay.
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My porcelain slab broke into 12 or more pieces when I tried to move it to the kiln. Could I attach the pieces with Paperclay then fire? I don’t mind if the seems show. Also considering rolling a slab of pure Paperclay sticking the green ware porcelain pieces on top and firing together. Would they stick to each other?
Tips for multiple coats of paperclay slip
in Studio Operations and Making Work
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Beautiful sculpture!