12.07.2015 Views

Slips, Engobes and Terra Sigillatas - Alfred's Clay Store

Slips, Engobes and Terra Sigillatas - Alfred's Clay Store

Slips, Engobes and Terra Sigillatas - Alfred's Clay Store

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Cracking• Does not occur r<strong>and</strong>omly• Every slip has a limit as to how thick itcan be applied before cracking occurs• Cracks begin where there is a suddenchange in thickness• This can be used effectively to createdesigns– Brushstrokes are never even• Bristles create ridges <strong>and</strong> valleys (cracks startin valleys)• Direction of strokes can be used to one’sadvantage– I.e. Grids vs. spirals vs. r<strong>and</strong>om patterns– Scribing into still wet slip will influencewhere cracks occurSlip surfaceCrack

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