XPost: sci.space.policy, sci.physics, sci.electronics.design   
      
   In sci.physics David Mitchell  wrote:   
   > jimp@specsol.spam.sux.com wrote:   
   >> In sci.physics "Greg \(Strider\) Moore"    
   wrote:   
   >>> wrote in message news:hjan3e-dhi.ln1@mail.specsol.com...   
   >>>>   
   >>>> In sci.physics Jeff Findley  wrote:   
   >>>>> In article , jimp@specsol.spam.sux.com   
   >>>>> says...   
   >>>>>>   
   >>>>>> In sci.physics "Greg \(Strider\) Moore"    
   >>>>>> wrote:   
   >>>>>>> "David Mitchell"  wrote in message   
   >>>>>>> news:r5mdnSw3tNBsJvjEnZ2dnUU78S_NnZ2d@brightview.co.uk...   
   >>>>>>>>   
   >>>>>>>> jimp@specsol.spam.sux.com wrote:   
   >>>>>>>>> In sci.physics David Mitchell    
   >>>>>>>>> wrote:   
   >>>>>>>>>> jimp@specsol.spam.sux.com wrote:   
   >>>>>>>>>   
   >>>>>>>>>>> OK, what "stuff" would people be making at home?   
   >>>>>>>>>>   
   >>>>>>>>>> Jewellry, utilities, tools, gadgets.   
   >>>>>>>>>   
   >>>>>>>>> Could you be any more vague?   
   >>>>>>>>   
   >>>>>>>> Yes.  Yes I could.   
   >>>>>>>>   
   >>>>>>>> Things.  People will make things.  All of the things.   
   >>>>>>>   
   >>>>>>> I suspect 3D printing at home will be as successful as the personal   
   >>>>>>> computer. I mean everyone knows they're useless at home and we'll only   
   >>>>>>> need   
   >>>>>>> a few major mainframes.   
   >>>>>>   
   >>>>>> Personal computer use in the home is dropping with increased use of   
   >>>>>> smart   
   >>>>>> phones for those important tasks such as posting on twitter and   
   >>>>>> facebook.   
   >>>>>   
   >>>>> The original point was that the original "personal computers" were   
   >>>>> hideously expensive, very hard to use, and didn't do a whole lot.  There   
   >>>>> absolutely were a lot of people who said "I'll never need one of those"   
   >>>>> back in the early 1980s.  Yet they can be found (in desktop or laptop   
   >>>>> form) in the vast majority of houses in the US because the price   
   >>>>> dropped, they became much easier to use, and they could do a lot more   
   >>>>> (i.e. high speed Internet versus acoustic modems and BBSes),   
   >>>>>   
   >>>>> Besides, smart phones prove the point AGAIN!  When the original Apple   
   >>>>> iPhone came out, it didn't have it's "killer app" which was the App   
   >>>>> Store, so the orignal wasn't terribly functional.  On top of that, cell   
   >>>>> data service at the time was slow, slow, slow, so even surfing the   
   >>>>> Internet was painful with these new "smart phones".  But again, the   
   >>>>> majority of phones I see today are now "smart phones".  They're cheaper,   
   >>>>> more functional (more apps), and the cell data networks are quite good   
   >>>>> these days.   
   >>>>>   
   >>>>> New technologies keep getting cheaper and more accessible for   
   >>>>> individuals to use all the time!  It's a pretty safe bet that the very   
   >>>>> same thing will happen with 3D printing.   
   >>>>   
   >>>> New technologies will not make aluminum or plastic cheaper.   
   >>>   
   >>> So what? They don't need to be cheaper. People literally buy millions of   
   >>> items made out of aluminum and plastic every day and throw them out, the   
   >>> material is so cheap.   
   >>   
   >> So the raw material for 3D printing is more expensive than the raw material   
   >> for legacy fabrication methods and my response was to the two sentences   
   >> above mine. Try reading them before knee jerking.   
   >>   
   >>>> Printing speed is limited by basic physics.   
   >>>   
   >>> Such as? Seriously, you don't think new technologies and concepts are   
   >>> possible?  Heck, if nothing else, you can design printers with multiple   
   >>> heads if you want to. Bam, you've nearly doubled printing speed for many   
   >>> items.   
   >>   
   >> As I have already said many times accuracy is directly related to layer   
   >> thickness and layer application delay is directly related to layer   
   >> "hardening" time.   
   >   
   > We're nowhere near those limits yet.   
      
   The whooshing sound you hear is the point and all it's details going   
   over you head.   
      
   > "The BAAM was used to manufacture the first (almost) fully 3D printed car,   
   the   
   > Strati, for together with Local Motors. With a deposition rate of up to 38   
   lbs   
   > of material per hour, it is possibly the fastest machine currently on the   
   market."   
   >   
      
   The Strati is little more than a $30,000 golf cart and the finish is an   
   abomination.   
      
   >> The industry for both consumer and industrial 3D printers is tiny and   
   >> few people do.   
   >   
   > Sales of 400,000 last year, projected sales of 1.2 million this one.  Also   
   > appears to be non-linear.   
   >   
   > But that it's tiny now is irrelevant.  How many people had early   
   telephones?  Or   
   > TV sets?   
      
   Do you understand the difference between hobby and professional?   
      
      
   --   
   Jim Pennino   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)