Found three p v switch 40 3d models

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grabcad
free
...axis with my hands(still 40 v and 1 a). i think...
cults
free
...-3x stepper http://www.dx.com/p/28ybt-48-dc-5v-stepper-motor-uln2003-driver-447220 -1x coupler http//www.dx.com/p/winding-thread-elastic-top-wire-coupling-aperture-10-x-10mm-silver-467421 ...