Accurate measuring is a must for clay sculting, especially with the human figure. They are hard to get online, but I found these beautiful and inexpensive Grizzly ones.

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Product Details

• Amazon Sales Rank: #21567 in Home Improvement
• Brand: Grizzly

Features

• Knurled knob locks dividers from 0 to 90 degrees; leg length: 12"
• Pencil holder converts divider into a compass
• Steel legs with fine points scribe most materials
• Transfer precise distances for highly accurate layouts