Line Motion Trisector is shown in the figure shown below.
Point E moves along the circle with its center at point O.Point S moves horizontally along the line OB Such motion is made possible by two groups of Kempe's links, i.e. ODEF & OHDG.
You can see the process in animation.
****** link_motion_desc.dwg ******
To create this drawing and animation:
Load link_motion.lsp (load "link_motion")
Then from command line, type link_motion
For a quick look , type test_motion
Animation file creation: animation_link_motion
1. Yates, Robert C.:"The Trisection problem", pp. 42-43
2. Kempe, A.B.:"How to Draw a Straight Line",Chelsea Publishing Company
All questions/suggestions should be sent to Takaya Iwamoto
Last Updated Nov 22, 2006
Copyright 2006 Takaya Iwamoto All rights reserved.