http://woodgears.ca/pantograph/
自作3Dパンタグラフマシン。
アームの長さで、削られる側のサイズが色々あるようです。
（このモデルは、1/2と1/3）
使い方は、映像を見ればわかると思います。
リンク先にて、図面を12ドルで購入できるらしい。
構造がわかれば、設計できると思いますが・・・
http://woodgears.ca/pantograph
Building the 3d router pantograph, from start to finish. I also have plans available for it here:
http://woodgears.ca/pantograph/plans
http://wood-carver.com
Overview of the Gemini Wood Carving Machine. Video shows carving a solid body electric guitar using an existing guitar body. This carving machine can duplicate to 2-dimensions and also 3-dimensions with optional rotary fixture. Can duplicate many items like guitar bodies, guitar necks, cello plates and neck, violin plates and necks, and other stringed instruments.
Building the 3-D pantograph
http://www.youtube.com/watch?v=vtm4u583YOQ
Gemini Wood Carving Duplicator
http://www.youtube.com/watch?v=o7OH-Q2Vl6Y