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Q; Hi Tirantis,
I’m always advising students to "go and buy it at Tirantis", but now I need some advice myself if that’s OK!
A reasonably accurate sphere can be made easily by hand from wire mesh (chicken wire), scrim and plaster.
Inexpensive, and mixed with sand immensely strong, cement is a useful casting material that unlike plaster can be used for work to be situated out doors.
Plaster casting can often suggest a solid, bulky, physical kind of sculpture, where the cast is a facsimile of an original, often modelled in clay.
The ability of plaster to transform from a liquid state into a permanent solid makes it a very useful casting medium, while the in-between curing period can allow for more direct working as the mix
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