From: dlzc1@cox.net   
      
   On Monday, December 5, 2016 at 11:50:48 AM UTC-7, dlzc wrote:   
   > On Monday, December 5, 2016 at 10:28:50 AM UTC-7, Andy Burns wrote:   
   > > I should think a suitable plastic rod in a dremel   
   > > would be all you'd need.   
   >   
   > I think all you need is a "straight pin".  You do not   
   > add material, you "simply" use localized friction of   
   > the rotating pin to melt the existing plastic.   
      
   I find links on the internet, on using the high speed Dremels to act as spin   
   welders.  No filler required.  No stress-relieving crack-stopping holes   
   required.   
      
   David A. Smith   
      
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