MAKING THE GYPSUM MOLD USING TWO-OR-MORE SIDE SLIP CASTING TECHNIQUE 3. MAKING GYPSUM MOLD BASIC COMPETENCY MAKING THE GYPSUM MOLD USING TWO-OR-MORE SIDE SLIP CASTING TECHNIQUE FOR CLASS XI SEMESTER.1 Seni Kerajinan dan Pariwisata
Seni Kerajinan dan Pariwisata LEARNING OBJECTIVES STUDENTS UNDERSTAND THE PROCESS OF MAKING THE MOLD FOR TWO-OR-MORE SIDE SLIP TECHNIQUE STUDENTS ARE ABLE TO MAKE GYPSUM MOLD FOR TWO-OR-MORE SIDE SLIP TECHNIQUE Seni Kerajinan dan Pariwisata
Seni Kerajinan dan Pariwisata COMPETENCY MAPPING COMPETENCY STANDARD Making the gypsum mold BASIC COMPETENCY BASIC COMPETENCY BASIC COMPETENCY Preparing gypsum mass to make the mold. Making the gypsum mold for one-side pressing technique. Making gypsum mold for two-or-more side slip casting technique Seni Kerajinan dan Pariwisata
Seni Kerajinan dan Pariwisata LEARNING MATERIALS Making the gypsum mold for three dimension slip casting technique needs some accuracy such as: Determine the molding side that will be made. On which part the hole will be made. we can make two or more sides mold if it is impossible to use one side mold. Picture Source: catalog Seni Kerajinan dan Pariwisata
THE PROCESS OF MOLD MAKING Tools Linoleum Shaping base Bowl brush Water pas Rubber ban Seni Kerajinan dan Pariwisata
THE PROCESS OF MOLD MAKING Materials Separator made from the mixture of water, vegetable oil and detergent, then boil it. Water Gypsum/plaster Seni Kerajinan dan Pariwisata
THREE DIMENSION GYPSUM MOLD MAKING USING FREE TECHNIQUE 1. Determine the divider line to the model correctly to avoid the model being hooked on the molding process. 2. Make backing on the model usinf the flexible clay in accordance with divider lines. Burnish the model using the separator. Seni Kerajinan dan Pariwisata
THE MAKING OF THREE DIMENSION FREE MODELLING GYPSUM MOLD 3. Cover the model and backing using linoleum to make the first gypsum mold, determine the thickness (around 6cm) 4. Tie the linoleum using rubber ban and give coil on the base to avoid gypsum flowing outside. Seni Kerajinan dan Pariwisata
THE MAKING OF THREE DIMENSION FREE MODELLING GYPSUM MOLD 5. Make gypsum dough as the mold thickness. 6. Pour the gypsum thoroughly into the mold and wait until the gypsum get hard. Seni Kerajinan dan Pariwisata
THE MAKING OF THREE DIMENSION FREE MODELLING GYPSUM MOLD Pasang lenoleum cetakan untuk membuat cetakan gips sisi lainnya kemudian olesi dengan larutan pemisah, ikat lenoleum dengan karet dan berilah pilinan tanah liat pada bagian dasar agar tidak ada adonan gips yang keluar. THE MAKING OF THREE DIMENSION FREE MODELLING GYPSUM MOLD 7. Open linoleum mold and clay backing from the model. Make some holes as gypsum mold keys then clean them. Nub the gypsum on the cleft part using separator to make it taken off easily. 8. Install linoleum mold to make another gypsum side then nub with separator, tie linoleum using rubber ban and give coil on the base to avoid the clay flowing. Seni Kerajinan dan Pariwisata
THE MAKING OF THREE DIMENSION FREE MODELLING GYPSUM MOLD 9. Make gypsum dough and pour it thoroughly on the model surface, wait until it becomes hard. 10. Open linoleum then open the gypsum mold carefully. Seni Kerajinan dan Pariwisata
THE MAKING OF THREE DIMENSION FREE MODELLING GYPSUM MOLD 11. Put together the mold then make tapering using the flexible clay to make holes on the gypsum mold. Install the linoleum then make the gypsum dough and pour it. 12. Open the linoleum and mold then clean and put in the sun until dry. Seni Kerajinan dan Pariwisata
THE MAKING OF THREE DIMENSION FREE MODELLING GYPSUM MOLD Ceramic building using this technique is done by making the symmetric three dimension from throwing or lathe technique. The benefit using the gypsum model will not decrease and the shape will not change so it has more benefit and can be used to multiply the gypsum mold. Seni Kerajinan dan Pariwisata
THE MAKING OF LATHE MODEL OF GYPSUM MOLD 1. Unite the model with upper and bottom tapering, make lines as a signal to decide the gypsum mold cleavage. 2. Make a gypsum slab base for the model as backing limited to the cleavage and trim it. Seni Kerajinan dan Pariwisata
THE MAKING OF LATHE MODEL OF GYPSUM MOLD Put the model on the backing right on the divider line. Put the clay buffer. Manage the surface mold flatness using water pass. 4. Install the panel base then nub both model and backing with separator. Seni Kerajinan dan Pariwisata
THE MAKING OF LATHE MODEL OF GYPSUM MOLD 5. Make gypsum dough based on the mold thickness. 6. Pour the gypsum dough into the model mold thoroughly and wait until the gypsum gets hard. Seni Kerajinan dan Pariwisata
THE MAKING OF LATHE MODEL OF GYPSUM MOLD Open the panel base and clean it. Make some half ball holes as gypsum mold keys. 8. Install the panel base then nub the model and backing with separator Make gypsum dough and pour it into the gypsum mold to make the second mold. Do the rest steps again to make upper molding holes. Seni Kerajinan dan Pariwisata
THE MAKING OF LATHE MODEL OF GYPSUM MOLD 9. Open the mold carefully then clean using water and dry it. 10. Gypsum molds are ready to be used. (sumber: Koleksi studio keramik) Seni Kerajinan dan Pariwisata
Seni Kerajinan dan Pariwisata REFERENCE Hall. Morgen. 1997. The Potter’s Primer. A step by Step. Apple Press. London Mattison, Steve .1998, . Ceramics, Step BY Step Instructions for 18 delightful projects, Apple Press. London. Tim Studio Keramik. 2007. Modul Pendidikan Dan Pelatihan, P4TK Seni Dan Budaya Yogyakarta. Wahyu Gatot Budiyanto, 2008. Kriya Keramik Untuk Sekolah Menengah Kejuruan , BSE , Jilid. 1,2,3 .Direktorat Pembinaan Sekolah Menengah Kejuruan, Jakarta . Seni Kerajinan dan Pariwisata
SEE YOU AT THE NEXT COMPETENCY Florentina Sri Wartini, S.Pd THANK YOU SEE YOU AT THE NEXT COMPETENCY Written by Nana Turmono, S.Pd. Translated by Florentina Sri Wartini, S.Pd Seni Kerajinan dan Pariwisata