What would you build if you were starting again now?
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It depends on what you're interested in. If you just want a machine that prints with minimal effort and you have the funds, buy a proven machine/kit.
If you're interested in the details of how the machines work and maximizing some specific types of performance, I would design and build from scratch. It takes time but you learn a lot along the way, including modeling in CAD, mechanical design, machining, where to buy parts, etc.
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@mrehorstdmd
And 2 or 3 years later with the 2. gen of that machine it will be reliable... -
I would make a few small iterative changes to my current design. Actually, I will be making printer number two soon with a few changes:
Drive the Y axis only by one side instead of both. Currently I use a ridiculously long primary belt to drive both sides of the Y axis. This causes unnecessary backlash because the primary is as long as the secondaries (lol. I know now.) I will just use a short primary like on X. Hopefully this immediately solves the backlash on Y (it's in the order of <100 microns of backlash)
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I have to say I agree, though IDEX and core-xy are really tempting.
I have a SeeMeCNC rostock max v2 that I built from kit in late 2014 as my 1st (and still only) printer. The early days were constantly alternating between joy and intense frustration.
I have updated most every aspect of it over the years and now have a printer that I really enjoy. When I get tempted by Voron videos and the like, I just think about how easy my delta is to work on. I can't see any other platform being so simple, accessible and quick.
So like you, I would build another delta, only bigger with an all metal frame!
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@dc42 does that new SE plan also include an integrated accelerometer? Surely there's room!
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@ajdtreyd said in What would you build if you were starting again now?:
@dc42 does that new SE plan also include an integrated accelerometer? Surely there's room!
Yes, of course! Although my delta exhibits very little ringing. Basically it will be a combined Smart Effector and Tool Board, although we will probably leave out some of the additional IO pins.
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@zapta I hate the gantry. 'U' shaped. Personally I think there is tooo much happening with it. I think I should of built the 1.8 where X/Y is static and the bed moves...
And Klipper. I updated it and Klipper threw a its rattle out of the pram.
IMO with Klipper and SKRs, everything is a workaround. Did try Klipper on a Duet2/Duex5 on the RailCore and the Bed level hardly worked. Back to RRF and worked everytime... -
@phaedrux Friend of mine has his own toolchanger on a Voron 1.8
https://www.youtube.com/watch?v=ZICOevBpO0A -
@paulhew said in What would you build if you were starting again now?:
@zapta I hate the gantry. 'U' shaped. Personally I think there is tooo much happening with it.
Agreed.
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@paulhew said in What would you build if you were starting again now?:
And Klipper. I updated it and Klipper threw a its rattle out of the pram.
I am not sure if V2.4 requires Klipper or any specific hardware. For example, Youtube Tom built recently a V2.4 with a duet.
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@droftarts said in What would you build if you were starting again now?:
@o_lampe said in What would you build if you were starting again now?:
a # hash-style printer
I guess you mean https://youtu.be/tzf8903FvCs
Looks interesting!Ian
Exactly,
it's a bit of 'hen or egg' problem regarding slicers and firmware, but RRF kinematic model is already working. Until then it's a single object quad-color printer with very quick toolchanging. My macro for ooze compensation based on standby time has already prooven to work.
I'd build it with 'anti-racking constraints' instead of the classic 'shaft & dual belt' approach shown in the video. -
@zapta Voron2.1 you had 2 options, RAMPs on Arduino boards and a Pi or Duet2/Duex5, from the BOM and there were baseline configs for both.
The BOM now states, SKRs and a Pi and there is a baseline only for Klipper.
Within the Voron Discord, there is a Duet_RRF group, still.My V0.1 is running a Mini5+ with RRF.
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oh boy you have all given me lots to think about...
one of my biggest regrets was when I bought my CR-10 I think the chap was emigrating and was also selling his Delta with Duet. I offered him more than it eventually sold for but he wanted to let it run on Ebay and I missed the end of the auction.
probably would have still been cheaper than what I ended up spending to get my printer where it is now and I suspect it was a very nice machine but I was more than a bit daunted by it.
that hash design is interesting and perhaps a reason to go with a croXY style as it would potentially be adaptable.
lots to think about and I am not looking to build just yet so off to read all I can on DC42's Delta
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@opentoideas said in What would you build if you were starting again now?:
that hash design is interesting and perhaps a reason to go with a croXY style as it would potentially be adaptable.
Just started to play with some ideas to build mine
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@opentoideas said in What would you build if you were starting again now?:
lots to think about and I am not looking to build just yet so off to read all I can on DC42's Delta
The details are at https://miscsolutions.wordpress.com/dc42s-large-kossel-build/. These days I would choose a Duet 3 Mini to control it.
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@dc42 said in What would you build if you were starting again now?:
@opentoideas said in What would you build if you were starting again now?:
lots to think about and I am not looking to build just yet so off to read all I can on DC42's Delta
The details are at https://miscsolutions.wordpress.com/dc42s-large-kossel-build/. These days I would choose a Duet 3 Mini to control it.
Are large delta's easier to get working well than the mini's?
I built three different mini's and was never happy with the print quality after I built my first Cartesian.
Frederick
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All deltas need to be constructed with precise geometry. Cheap delta kits fail to achieve that.
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@paulhew said in What would you build if you were starting again now?:
The BOM now states, SKRs and a Pi and there is a baseline only for Klipper.
I think that the Voron V2.4 crowd is now moving toward a Pi + a single controller with 7+ driver such Spider or Octopus.
The Spider for example is said to be developed with input from the Voron dev team https://wiki.fysetc.com/Spider/ and I think it's supposed to come also with a more capable CPU that is will RRF compatible (more RAM?).
I wish that Duet would have a reasonably price stand alone board with 7+ drivers and WiFi. That would be my first choice for my V2.4 (a work in progress).
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@zapta said in What would you build if you were starting again now?:
I wish that Duet would have a reasonably price stand alone board with 7+ drivers and WiFi.
...like the Duet Maestro with 2-channel expansionboard?
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@opentoideas said in What would you build if you were starting again now?:
With the knowledge you now have if you were building a new machine what geometry and machine type you build?
I am actually building a new machine, a black and red Voron V2.4 250mm with Clockworks (direct) extruder.
Sources the parts individually per the sourcing guide, which took a while, and the frame and x/y/z movements are already assembled.
I picked the Voron because it has a strong supporting community (I can get answers within seconds on Discord, or watch detailed videos by Nero 3DP) and it's a proven design with 1000+ people that built it. The design is on the overkill side, but I am taking my time and am happy with the results so far, especially with how stiff the x/y carriage is compared to my existing HEVO.