All I need now: ejection, resurfacing, and a way of detecting filament run-out and re-spooling new filament, and I have a fully functioning 3d print station/mini-factory. Mwahahahahahahaaa...
(In the photo, printing out 5 of the Traxxas to Carbon Fiber Tube couplers I designed for my Delta printer: http://www.thingiverse.com/thing:270780 )
#printrbot #octoprint #deltabot #minikossel #3dprintserver
The carbon fiber tubes I'll be attaching them to: 12.7mm outer diameter and 10mm inner diameter.
OpenScad + Kisslicer + Repetier Host + 3d printer => a test coupler. Iterate once more for a better fit, and printed a pair of couplers. E6000 glued them together and mounted them onto the effector arm gluing jig (a length of HFS3-1515 aluminum extrusion with M3 bolts screwed into place to serve as a positional rig for the joints). Set aside to let glue set and cure. ( http://www.thingiverse.com/thing:268794 )
One down, 5 more to go.
Can't wait to get the effector setup... still waiting on the all meta hot end.
So, I took a look at a coupler I designed recently and compared:
Part: Traxxas to Carbon Fiber tube coupler. 6.478 cubic cm of material.
Printrbot Simple V2 print at home: 90 minutes per part to print. About $0.91 in plastic material. To print a full set of 12, it would take about 19 hours and about $10.92 of material. If I print them back to back(two batches of 6), I would have them within 24 hours.
Shapeways' Strong White plastic is $1.40/cubic cm with an additional $1.50 fee. (I forget what shipping was with Shapeways, so won't take it into account here). So the material cost for one copy would be $10.56 (material cost and per item fee). To print a full set of 12, it would cost about $126.83. From the time you submit your design and pay/buy, it will take at least 2 weeks for the item to go through the review process, be put into a queue for printing, then printed, processed, and then packaged and shipped. I waited 2.5 weeks for my one part when I had ordered from Shapeways a while back.
For folks who are willing to invest the time, having your own 3d printer is a huge cost savings as well as greatly shortens iteration time.
$10.92 vs $126.83.... after a few projects, you would have recouped the cost of the printer in savings. Nevermind the greatly shortened production time.
Got my 3d printer back in December 2013. Been learning and printing ever since. Given the amount of print jobs and items I've worked on and tested... I shudder to think of the monies I would have spent to pay a third party to print the items. Nevermind the fact that from December of 2013 till now, March 2014, it's been about 3.5 months(time frame of my owning my own printer). I would have only been able to have iterated through about 6 iterations. And given that I've burned through 1.5kg of PLA filament in the process, I suspect I would have spent much much more than the $30 I paid for filament. If I'm going with the 10x factor from the coupler example above, then it will have been about $300-$360, depending on how much shipping and how many iterations/parts I actually printed due to the per item fee.
There is a definite advantage to getting your own printer and getting up to speed. Shorten your iteration/design cycle. Reduce your cost to print an item. Gaze hypnotized watching your printer print. ^_-
#3dprinting #shapeways #costsavings #printrbot
Not being able to print other functional components of the system really does limit the usefulness of 3d printing to production components to be incorporated into something else.
Self replicating would be awesome, if for no other reason than it would allow one to massively increase production rate.
Assuming one includes the ability to just pull parts from a stockpile and have a printer/assembler put something together...
Though I'm a bit dubious about the sodium hydroxide dissolving solution... ^_^;;; I wonder how well PVA compares to HIPS, which dissolves in citronelle?
All deflection, wobble, and twisting issues resolved.
I put quotes around the "Mini Kossel" since the original specs for mini kossel call for much shorter lengths of aluminum extrusions.
#3dprinter #minikossel #deltabot #aluminumextrusion #misumi
- Bright Roll, Inc.Operations Engineer, 2012 - present
- Glam Media, Inc.Linux/Operations Systems Administration, 2009 - 2012
- VMwareSr. Systems Administrator, 2006 - 2009
A long time resident of California, I occasionally travel to other states and find myself marvelling at the differences in culture, as well as the similarities.
My current passions, all of which are second to my family, include:
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