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Nicholas posted new Wally video:


From video description:

It is about time to provide proof of Wally printing a large object. If you look closely you can see the bed going up and down to adjust for the bed level. It took about 7 hours to print the vase. It is 100mm x 100mm x 145mm. I used a .4mm nozzle and did .2mm tall layers. I used default slic3r speeds. I have gone as much as 4 time faster while I was watching but for an unattended print like this I wasn't as adventurous. I suspect that I can go about 2 times as fast before surface quality suffers.

https://github.com/NicholasSeward/ConceptFORGE/tree/master/Wally

http://forum.conceptforge.org/viewforum.php?f=7

https://github.com/NicholasSeward/ConceptFORGE/tree/master/Wally

Bill of materials: http://forums.reprap.org/file.php?185,file=20070,filename=wally.pdf

RepRap forum: http://forums.reprap.org/read.php?185,220993

Source:

http://www.youtube.com/user/nickseward?feature=watch

From a man who brought us Simpson, Nicholas Seward, here comes Wally. The design should be low-cost, fast and precise.

ITS ALIVEEEEEEEEEEEEEEEEEEEEEEE!



More detailed presentation of concept in almost finished phase:




Animation of the Wally:



http://www.youtube.com/user/nickseward?feature=watch


Main design outlines:

• No linear rails
• 28 cheap 608 bearings
• 12 unique plastic pieces (none require support)
• Printable on a 150x150mm machine
• Theoretical speeds in excess of 500mm/s
• Theoretical resolution is less than 25 microns

RepRap forum thread with more details:

http://forums.reprap.org/read.php?185,220993