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Witch's Eye Ornament

by pmoews, published

Witch's Eye Ornament by pmoews Nov 7, 2012

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License

Witch's Eye Ornament by pmoews is licensed under the Creative Commons - Attribution license.

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13066Views 2572Downloads Found in Math Art

Summary

This ornament is meant to resemble a German blown glass decoration popular in the nineteenth and early twentieth century. The ornament was made by pressing a softened glass bubble against a form leaving a round geometric indentation. The indentation was silvered making a reflective surface called a "witch's eye".

In an attempt to duplicate the glass ornament portions of a polyhedron were subtracted from a sphere to make three indentations. A thin layer of material was added to the sphere surface so that the ornament could have two colors. A connector was placed at the top.

The ornament lacks the reflective surfaces that created the "witch's eyes". Perhaps a bit of silver paint would make it more attractive.

Instructions

Two files are provided:

ornament_body.stl
ornament_surface_layer.stl

To make a monochrome ornament print only ornament_body.stl. Ornament_surface_layer.stl is a 1 mm thick shell that can be used with a two color printer.

OpenSCAD programs are included.

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