CNC input devices

>I guess the things I miss most are having knobs for slewing the
>axes

There are companies which already make "jog/shuttle" controllers that
connect to PCs. It might be possible to adapt these to CNC control.

Here's a $99 example:
http://www.epinions.com/Contour_Design_SP_JNS_ShuttlePRO_Multimedia_Controller__Mousing_Devices_SP_JNS/display_~latest_prices

THIS is quite an interesting device too:
http://www.epinions.com/S0200562-Magellan_3D_Classic

It says "Advanced input device for interactive motion control of 3D graphic
objects in CAD/CAM, CAE, & visual simulation applications. The Magellan
provides intuitive and precise interactive motion control of three
dimensional graphic objects in up to six degrees of freedom. (x, y , z,
pitch, roll, & yaw).Opto-electric 9-button Designed for the HP UX platform."

Price listed is $35?




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