Hello everyone, We have been busy with the 3D printer and CAD work over the past couple of days.  The wrench for Dr. Vierheller came out superbly.  A couple of weeks ago, we printed a two-part “heart gear box” from ThingiVerse.com.  One author designed the spinning heart, while another created a hand-crank system beneath it.  We found that the hand-crank did not work well; its gear system did not mesh properly.  So Dusty designed a stronger support system for the crank in CAD and now the heart rotates perfectly!  Come to A-120 to try it out. We are making another road trip!  The Cleveland MiniRead More →