SFC COVER

Prusa i3 Mk3S+ Also using the Prusa slicer, but my stone-age computer doesn't support their graphics, so I'm doing a lot of guestimating... :rolleyes:

piet
 
sfcpiet said:
Prusa i3 Mk3S+ Also using the Prusa slicer, but my stone-age computer doesn't support their graphics, so I'm doing a lot of guestimating... :rolleyes:

piet
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Those Prusas are great little printers. Many bigger ones are designed off them. Really good purchase mate.
 
But surely creating the coordinates for an SFC selector cover is incredibly difficult without scanning? A slicer can only add a layer and if you have to manually input the shape of each and every layer it would take longer than making a cover from a slab of billet with a die grinder?! No doubt you can use the software to extrapolate but if you want an exact replica, how would you go about it? Would you use the same method you did with the alternator cover? So scanner is essential or not?
 
piranha-bro2 said:
But surely creating the coordinates for an SFC selector cover is incredibly difficult without scanning? A slicer can only add a layer and if you have to manually input the shape of each and every layer it would take longer than making a cover from a slab of billet with a die grinder?! No doubt you can use the software to extrapolate but if you want an exact replica, how would you go about it? Would you use the same method you did with the alternator cover? So scanner is essential or not?
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Ok so what you do is draw the item in 3D.
then the slicer slices it to get the g code to send to the printer. So you don’t actually draw each layer yourself. If you wanted to print a 30mm x 30 mm cube you draw it in less than a minute in your drawing software. Send it to the slicing software. The slicer slices it based on the print perimeters you choose and hey presto.
depending on your experience at drawing depends on how quick you can produce a drawing. If using a computer you use a lot of command keys. You can even draw on an iPad.
so to draw the sfc cover , the time it takes to draw is the time it takes you to transfer measurements taken by caliper or datum points on graph paper etc , I hope that makes sense. I often sit there and manually take measurements off something with vernier calipers , to be able to draw the object that will interface with it. The more experience with the drawing software the faster you are

hope that makes sense. I’m crap at explaining
 
Last night I watched a TV program about Albert Einstein and Stephen Hawking. While I struggle to wrap my head around the mathematics of 4-dimensional spacetime, I'm now certain that 3D printing is mis-named. It's actually 4D with the 4th dimension being time. Especially since it takes so bloody long to print anything. :)
 
26d50l.jpg
 
Dellortoman said:
Last night I watched a TV program about Albert Einstein and Stephen Hawking. While I struggle to wrap my head around the mathematics of 4-dimensional spacetime, I'm now certain that 3D printing is mis-named. It's actually 4D with the 4th dimension being time. Especially since it takes so bloody long to print anything. :)
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you got that right.... some times i wish I had two printers!
 
Dellortoman said:
Ooh. March 14 is my birthday too. Perhaps I should come up with some kind of theory about the universe.
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You could start with "it is " ( it being the universe) because I am ( I am... namely you) ....... so "it is, because I am" is the theory... and thats because so many things in your life revolve around you..... could be a good place to start pondering. I can help with valentines letters and wedding proposals too:)
 
Bloody hell!
You could of course refer to Descartes: "je pense donc je suis", cogito ergo sum.

Remember that the bible starts with the second letter of the hebrew alphabet, beth, not the first.

Poor Einstein, poor God.

Paul
 
Dellortoman said:
Last night I watched a TV program about Albert Einstein and Stephen Hawking. While I struggle to wrap my head around the mathematics of 4-dimensional spacetime, I'm now certain that 3D printing is mis-named. It's actually 4D with the 4th dimension being time. Especially since it takes so bloody long to print anything. :)
Click to expand...

Last year there was an interview with ABC Radio and a yank from NASA about 3D printing. An Aussie bloke called in and asked the yanks what they were planning to do with 4D printing. The yank asked for the interview to be stopped, there was silence and the interview started again shortly after ............. on 3D printing.
 
chrisk said:
Last year there was an interview with ABC Radio and a yank from NASA about 3D printing. An Aussie bloke called in and asked the yanks what they were planning to do with 4D printing. The yank asked for the interview to be stopped, there was silence and the interview started again shortly after ............. on 3D printing.
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You do realize this means the Yanks are well onto 4D printing and they don't want the secret out ...... yet.

Jim
 
helicopterjim said:
You do realize this means the Yanks are well onto 4D printing and they don't want the secret out ...... yet.

Jim
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Time will tell ......... :rolleyes:

Cam nailed it! 4D printing gives 3D printed objects the ability to change their shape over time. The term “4D printing” refers to this additional fourth dimension: time. The emerging technology combines 3D printing techniques with high-level material science, engineering and software.
 
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