3d reliefmoldandcast winter 11

7/29/2019 3D ReliefMoldandCast WINTER 11

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BasRelieforLowRelief

Reliefsculpture

comes

in

varyingdegreesof

.

Theseimagesareofthe

lowestforreliefcalled

basrelief

or

low

relief.

Basreliefisalotlikea

drawingoradeepengraving.


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,

ofbuildings.

Picturedaboveare(left)DemeterandKobeExaltingtheFlowerand(right)

TheThreeGraces.


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Inthesecontemporaryreliefs,theshadow

revealsthedimensionalform.Eventhoughthe

wor sare te,t e mages aveagreat eaofvalue.

Below:CharlesRa ,AboveRi ht:Lon well

BelowRight:JuanaAlicia


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arepracticalforpublicart

applications.

Thebas

relief

fern

design

has

been

moldedandcastinconcrete.Itwill

re uire little care and does not have

partsthatcouldbreakoff.

Thisgardensculptureiscarvedstone


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ManhattanSubwaySmithsonianStop


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HenriMatisse

(almost

life

sized).

Bronze

castings

from

molded

clay

originals.


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RichardNotkin


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RichardNotkin


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bereproducedwithaonepartsiliconemold.

tokeepthemoldssimple,takecarenotto

createundercuts.Undercutsarespacesinthesculpturethatcouldtrapmoldmaking

materialor

cast

material.

They

can

make

it

impossibletoremovethemoldfromthecast

and ruin the ro ect.


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OtherStudentCastingProjects


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ew

o

my

cas ng

pro ec s


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SiliconeCaulkMoldsforsculpturesintheround

SiliconeMoldMakingcanbeveryexpensive.Usingthesiliconecaulkmoldmakingtechnique

Youcancutcostsdramatically.Usingwaterbasedclaylikeinpicture1givesconsistently

goodresults.

In

t e

images

a ove,

t e

si icone

piece

is

a

one

part

w ic

is

sea e

y

an

over apsysteminthatlumpyridgeinpicture2).Becauseofthesizeoftheartworkandtheweight

ofthematerial,amothermoldwasrequired(1/2ofthe2partmothermoldisshownin

icture3 .Amothermold isasecondla ertoamoldthatishardandholdsalloftheflexiblepartstogether.

The

cast

plaster

replica

is

shown

in

picture

4.


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LostWax

atPSU!Lostwaxmetalcasting

startswithanoriginalsculpture.

Oftenamoldismadefroma

claysculptureandacastingismadein

Wax.

ventsadded(waxandwood)tocreate

passagesforthemetaltofloweasily.

p aster

mo

s

u t

aroun

thewaxsculptureandplacedin

akiln.Allwaxandwoodburns

awa leavin a lastershellwiththe

shapeofthesculptureinside.


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Metalis

pouredin,

cooledand

thenthe

plastermold

isbroken

.

Thepiece

is

chasedor

bursand

imperfections

areground

away.


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Thefinished

cast

aluminum

piece

from

Aclayoriginal.

3d reliefmoldandcast winter 11

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