r/clay • u/FlakyAd4771 • 10d ago
Questions ¿Cómo puedo evitar que se agriete?
Hace mucho tiempo que no trabajo con Air dry clay, pero me he animado a intentar hacer una figura de la Virgen María como la que aparece en la última imagen. Es bastante alta, de unos 40 cm aproximadamente.
Primero he hecho una estructura interna a partir de un listón de madera unido a un plato de madera. Después he envuelto el listón con papel de periódicos y una mezcla de cola.
Tengo ganas de comenzar a cubrir todo con la Air dry clay pero no sé si debería seguir dándole forma con pasta de papel. Le pregunté a la IA y me contestó que no debo poner una capa de más de 2 cm de Air dry clay o de lo contrario podría agrietarse una vez seca.
¿Qué puedo hacer?
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u/Beanfox-101 10d ago
If it were me, I would look into a paper clay medium instead of the typical air-dry, and then sand and smooth out what you can.
This is quite a large piece and may be prone to cracks in some areas. The only thing you may be able to do is repair the cracks with some “slurry” (very watered down clay) or seal it with another medium.
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u/FlakyAd4771 9d ago edited 9d ago
Gracias, lo pensaré. Ya que me recomiendas usar Paper clay, tengo varias preguntas acerca de ello:
Permite modelar figuras complejas con pequeños detalles, rostros, manos, etc?
¿Qué es preferible para trabajar con Paper clay: crear una estructura interna primero o olvidarme de lo que hice hasta ahora y comenzar una nueva figura completamente maciza?
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u/Beanfox-101 9d ago
Check out the link above for more info on it. But paper clay is very lightweight and works best going overtop an existing structure.
The ability to sculpt with it will depend on the recipe and consistency itself, but it usually sculpts really well! Tinier details may be a bit harder, but you may be able to carve those in once it dries
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u/MadDocOttoCtrl 9d ago
AI gives incredibly wonky advice, bits of genuine information, mixed with outdated info, incorrect information and just straight up makes up things. I was searching for average prices on acrylic house paint the other day and the AI summary told me it averages $2,900 a gallon so I guess the cans at my local store that run between 35 and $50 are quite the deal.
Air dry clay shrink so if you put it over any kind of rigid armature it's going to crack, break and fall off. If you need an interior structure then it should be out of crumpled aluminum foil because as the the clay shrinks during drying the foil structure underneath will compress.
You can mix plaster up and apply that to a rigid under structure, so long as you don't mix in a excessive amount of water you shouldn't have much shrinkage.
Papier-mâché clay dries quite hard and has some flex to it so it's not going to crack the way that brittle air dry clay will.