Difference between revisions of "AY Honors/Plaster Craft/Answer Key/es"

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< AY Honors‎ | Plaster CraftAY Honors/Plaster Craft/Answer Key/es
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Pour ''cold'' water into a plastic mixing bowl, and then add the plaster powder to it, stirring as you go. Warm water will set faster - maybe ''too'' fast! Never add water to plaster - always add the plaster to the water.
 
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!align="center"|SAFETY TIPS
 
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*The plaster will heat up as it reacts chemically with the water, so never attempt to pour plaster over a body part in an attempt to cast it.
 
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*Plaster is also somewhat caustic, so it can cause a chemical burn as well.
 
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*Wear gloves.
 
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*Wear eye protection
 
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*Wear a dust mask
 
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*Do not wear contact lenses
 
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*Keep powdered and wet plaster away from children and pets
 
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Stir the plaster and water until it is well mixed. Allow it to sit for no more than two minutes to allow the plaster to fully absorb the water and quit bubbling. If desired, this is the time to add pigment for color. Add the pigment and mix it in with a power drill (using a paint mixing attachment). You can also use a potato masher, and for small amounts, you can just use a stick. If using a power drill, do not over do it, as blending it will hasten the setting time. Take it easy!
 
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===Pouring the plaster===
 
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Pour the wet plaster into one corner of the mold and allow the plaster to flow across to the other side. When the mold is full, tap it a few times to help work out any air bubbles. If you need a hanger, place it in the plaster ''at the top'' (pay attention!). You can buy hangers or you can use a paper clip. Make sure the hanger is well embedded in the plaster.
 
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===Releasing the mold===
 
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Once the plaster heats up, you can remove it from the mold. Do this by gently pulling the edges of the mold away from the cast piece. Work your way around until the mold has been separated all around (it's OK to let the mold snap back into place). Do not overflex the mold or you may crease it. Turn the mold upside down over the support base (the bag of rice) and gently shake it until the piece pops out. It should land gently on the support base. Set the piece aside to allow it to finish curing. For fastest curing, set the piece on a grate so that air may circulate over all surfaces.
 
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The easiest items to cast are open-top molds. It is best to not try 3D or two-part molds until you have a little more experience, though these can certainly be used to fulfill this requirement. The reference links below offer hundreds of molds that you can purchase and reuse. You should also be able find molds at your local craft stores.
 
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==Referencias==
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==References==
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[[Category:Adventist Youth Honors Answer Book/es]]
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* http://www.onestopcandle.com/plaster/basicplasterinstr.php
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* http://www.milliesplastercraft.com/BasicInstructions.asp
 
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* http://spiritcrafts.stores.yahoo.net/ You can find all the molds you need on this one site.
 
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http://store.plastercrafters.com
 
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[[Category:Adventist Youth Honors Answer Book|{{SUBPAGENAME}}]]
 
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Revision as of 21:38, 5 May 2021

Other languages:
English • ‎español • ‎français
Modelado en yeso

Nivel de destreza

1

Año

1967

Version

25.11.2024

Autoridad de aprobación

Asociación General

Plaster Craft AY Honor.png
Modelado en yeso
Artes y actividades manuales
Nivel de destreza
123
Autoridad de aprobación
Asociación General
Año de introducción
1967
Vea también
Maestría de Artesanía


1

¿Cuál es el ingrediente principal del yeso de París?



2

Dar los pasos para vaciar (vertir) un objeto de yeso y prepararlo para ser pintado.



3

Conocer cómo eliminar las burbujas de aire de un objeto vaciado.



4

Saber cómo configurar el tiempo de fraguado, como puede ser aumentado o disminuido.



5

¿Qué precauciones deben tomarse para limpiar la mezcla y el equipo para vertir?



6

¿Cuándo se aplica un sellador a un objeto de yeso y por qué?



7

¿Qué clase de pintura es mejor para usar en objetos de yeso?



8

Pintar tres objetos que incluyan los siguientes diseños y técnicas o su equivalente:
a. Flores (para mostrar sombras)
b. Frutas (para mostrar resaltados)
c. Animales (para mostrar líneas finas o detalles)
d. Lemas religiosos (para mostrar letras resaltadas)



9

Moldear y pintar dos elementos adicionales de diferentes diseños.




Referencias

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