Geneva Mechanism Drives Concentric Vases

prusaprinters

<p>The Geneva drive or Maltese cross is a mechanism that translates a continuous rotation into intermittent rotation. &nbsp;The classic use of the design was in the movie projector. &nbsp;Each frame is advanced quickly and then retained in that position for a short time. &nbsp;This rendition rotates a pair of Vase Mode printed cylinders that slide in and out.</p><p>Thy cylinders have a design clearance (tolerance) of 1.5 mm. &nbsp;The cylinder designs are based on the instructional by Vladimir Murano (@DesktopMakes).</p><p>The DC motor is a servo motor that was modified to turn continuously be removing the servo controls and pin-stop.</p><p>Amazon parts:</p><p>&nbsp; DC servo motor: &nbsp;MG995, about $20 for four pieces</p><p>&nbsp; Battery holder: &nbsp;CR2032 battery holder, $6 for 6 pieces</p><p>&nbsp; M3 mm bolts: M3 stainless steel button head hex socket head cap bolts, nuts &amp; wrench: $11.</p><p>Other: &nbsp;</p><p>&nbsp; Scrap wood</p>