This is a prototype of JavaSketchpad, a World-Wide-Web component of The Geometer's Sketchpad. Copyright ©1990-1998 by Key Curriculum Press, Inc. All rights reserved. Portions of this work were funded by the National Science Foundation (awards DMI 9561674 & 9623018).

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N. Jackiw, B. Finzer 3/95 From an idea by D. Schattschneider

The black polygon is constructed to tile the plane by glide reflection (a reflection about one axis combined with a translation). Drag its visible vertices.

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