Many thanks for such a quick reply.

The motors came from my brother now dismantled build. So I will be using his arduino with ramps board. Does this mean that I am OK to use the 200 step motors on all axis?

Thanks.

 

Thanks for the information.

I will update with how I progress with this build.

Thanks

 

Tonight is the night that I start printing the plastic parts for this printer, is there an infill you would recommend?

 

Thanks, I printed the first pieces (Z motor brackets) at 35% before you replied, so my guestimation wasn't too far off

 

I just felt I should post a thank you and a tip of the hat for this build! It's on my to-do list, I'm still waffling on a 200 x 200 or 300 x 300 build plate, but the basic design mirrors my thoughts to a T and so there is little need to do anything else but follow the bouncing ball and build it.

So thank you again Keith, not just for building it, but for documenting and offering help to others who wish to build the same. I would purchase one from you directly, but as I am outside the USA, it appears to be rather difficult, if not impossible.

I have started to collect the bits and pieces, and some, such as the extruder/hotend will go into my current i3 until I can built it's replacement.

Regards

Christian aka

Kaptain "Whew.... I don't have to design it, just build it!" Zero

 

Thanks Keith, I will!

With a looming lockout/strike at the postal service, I'm thinking some of the parts I've ordered may get stuck for a while..... Oh well.

 

Build is going well and I have started with the framing now since I have everything. However, don't seem to have the feet on the STL, or the L Bracket for the Y-Axis. Does anybody have the STL files for these?

Or if not, then just the thickness of the feet?

Thanks

 

Thanks Keith

 

I may have missed it but can this be converted to run 8mm acme screws? I already found the timing pulley needed, it should just be a matter of boring the printed parts out and getting bigger bearings right? I plan to run this with Replicape.

 

I really like your design and am thinking of making one of these. My question is in your assembly doc, I really dont see mention of what screws go where. Am I just not seeing it ???

Thanks Steven

 

Keith, do you have a document for the extrusion sizes for the 300x300 version? I looked around, but did not see it. I thought I would convert a wood i3 at our Makerspace to your design. We have most of the parts, but I have 300x300 heat beds and boro, so it's a no brainer.

 

bah, using tape measure with only imperial (inches) and there is some slop on the tape measure tab due to it's age;

20x80 frame = 19 3/8"
20x20 top = 17 3/4"
20x40 Y axis = 16 7/8"
20x20 X axis = 19 5/16"
20x20 Z axis = 18 1/4"

due to the slop on the tap measure tab, and that I did not disassemble the printer, I'd guess a 1/16" + or - on those numbers.

HTH

yeah - made it home but ready to go back...ceiling fell down in one of the bedrooms after heavy rain storm here. Guess that nice size branch that fell from the tree earlier this yr did cause some roof damage.

 

Thanks Keith and Steve. And yes, Steve...I would ride out there every day if life permitted it. I dearly love the pigtails and hills around Keystone, and the Devil's Tower ride, (and party).
Been a few since I last went, and really miss it.

 

no problem Diggerj. Funny you mention the party - due to rain that included some hail, we missed the evenings festivities! We made there in the morning to buy tee-shirts and had planned on returning the same evening, but attempting to go from Hill City to Deadwood (and then to Sturgis proper from there) was cut short due to the hail. Short planning meant $$$ didn't last long so we were only there for 1 1/2 days for the most part. Estimates were roughly 300,000 made it this yr but I'm only going from what people were saying while we were there, never did look up the actual numbers after we got back to MN. That was apparently 1/2 from last yr. Since last yr was the 75th anniversary we suspect lots of folks were skipping this year.

 

Keith, I am not finding the feet for the 20x80 extrusion, in the stl zip file. Is there another file for those items?

This is going together very nicely, and is very solid!

 

Hi Keith , I am new to the world of 3D printing. It 6 months ago , I bought a Prusa i3 with a PLA framework with 200mm * 200mm board. Now to move forward, I plan to make a printer with double extruded heat up above 300 ° C and a hot plate to 400mm * 400mm .
during my research , I came across your achievement and your many council. I think your achievement can match my needs but I liked your confirmation.
For a working area of 400mm * 400mm you have a document on the size of the extrusion.
Please do not be offended about my language , I speak French and very little English . thanking you

 

Welcome to the group, Moreau Vincent. Is there a reason you are choosing 400x400 rather than 300x300? Are you planning to direct drive your dual hotends or go Bowden with remote extruders?

I am looking forward to Keith's reply to you.

 

I thank you for your welcome.
I chose 400 * 400 as this will allow me to print a drone in a single time without having to cut out the sections for several elements.
My choice will detour to a head in dual direct drive extrusion. The main reason is that I want to have the posibility to print with the flexible filament.
For the control card , I think starting with Sainsmart 2in1 board like you. Because apart from all the other benefits that you mentioned , I would supply the board with 24v . It is easier to find heated bed of 400 * 400 24v .

 

First, I want to make sure that people understand that what I am saying in the rest of this message has nothing to do with Keith's designs, only design principle in general.
I am about half way through building Keith's OneZ-i300 (300x300 HB), and I can tell you that it is well thought out and VERY stout for a 20x20 based printer.

That said, have you weighed your dual hot end/extruder setup you plan on using? The stuff I am playing with, complete with 2 NEMA 17's, dual hot ends, X-chassis, fans, and other parts add up to a fair amount of weight. I have a 300x300 setup, and there is a very small amount of deflection at the center, with the weight of the parts. Add to that, I have been looking for dead flat Heat beds at 400mm, and like anything else, the larger, the more likely for variance.

From what I have seen, flexible filament doesn't play well with any great length in bowden tube. Direct drive with enclosed path seems to get the greatest success. I would want to use 20x40 across the X axis, for rigidity. Looks like Keith's plans would allow that with a few minor changes. We are building Keith's design for our Makerspace, for the exact reason you require. Flexible printing for drone stuff. We have deltas and other printers that just don't work well with it.

Sorry if I hijacked your thread Keith, but a nice design like yours, built with the wrong expectations will leave a bad taste in somebody's mouth, and your great plans do not deserve that.