Hi comunity , Im planning on building LR4 , but im in europe and full hw kit shipped from US would cost arm and leg , so only reasonable source is aliexpress, im trying for now at least motion system , im showing you my cart and you tell me if its all right or something missing or wrong , thanks !
Hello Marek, shipping is expensive, yes, but you need to order the aluminium plates and board from Ryan anyway, which, in the end, offsets the cost. Also, Ryan basically exclusively has the cable extensions you need as well as the pre-programmed and tested ESP32 and the 1/8 Makita collet.
So all in all it’s not too bad. 
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The biggest thing I see there is that you have chosen pulleys idlers and belt that are 6mm width. The 10mm width is what the specification is, 6mm can still be built, but the idlers are all going to be loose in their places without extra washers to center them, 10mm hardware isn’t much more, and will have a much better result with the printed pieces.
The Jackpot board can be ordered direct from a manufacturer, but the aluminium XZ plates are problematic. 3D printed ones can getg you up and running for temporary use, but they really ought to be the alumibniumn, With the 3D printed plates, it is possible to mill 6mm aluminium, though a bit tricky. This is definitely not the easy way to do things, but does avoid having to pay the shipping fees from the USA and associated taxes.
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hi , thanks for reply,
Im not even plannning to buy the jackpot board , im planning to order later skr pro 1.2
wihout this issue , the aluminum plates , im gona print them and temporary use them to make aluminum or wooden ones
in terms of cable extensions , im a studied electrican so some extra wires and bit of soldering is piece of cake for me.
if i had to pay for shipping and v1 design items outside US will not be rentable and very far from affordable cnc
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thanks for reply , if you look a bit closely next to the item image you can see that i selected 10mm with idlers, belts,etc. , they just have lots of options, and yes , im planning to use printed plates to get me running , its an open project i still dont know if its gona work lol
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Even with shipping and taxes it’s way under 1000€, that’s still a very affordable CNC. I understand though that sometimes every Euro counts.
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yeah, 1000 euro in my monthly salary , im willing to spent the money but not on unnessesary high shipping fees and taxes 
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Totally understand that.
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Oh it will work. If you can get high tolerance printed parts and and the correct hardware, it will come together faster, but with your skills, it will work. Bootstrapping off of printed xz plates is a reasonable approach. To get the full cutting power you will be wise to prioritize that metal part fabrication.
I also noticed the belt and pulley size, but it looks like you have that sorted. I would up the t8 threaded rod to 175 or 200 mm so twist handles can be printed and added. This is optional, but something that helps a lot with initial setup positioning. Once it is homing, you shouldn’t need them. With the 150 mm threaded rod length. Those tist handles will shorten the z travel a bit.
Don’t forget the m5x30 and m3x10 bolts and the M5 nylon lock washers.
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sure thing, i will also order hardware , im more worried about the software part tho…
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Software meaning what runs in the cnc?
If you get a board that is supported (see list here) then you just have to get the firmware onto it. Unless you are using something totally custom, the firmware should be the easy part.
If you are meaning software for your toolpath to generate gcode for projects, then that is another thing. There are a number of different options for that. I dont read the language above that you others were using. But i did see estlcam ( which i use). I use an old version of coreldraw for vector drawings and estlcam for gcode path generation. I tried to keep the software steps as simple as possible. If you are wanting to surface carve contours in 3d, corel draw is not going to do it. If you just want pockets and islands then it could work just fine, though more detailed discussion on that might be better as a separate thread.
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Uploading: 20241219_110159 LR4 Peter.jpg…
Hello Orob,
this will be my LR4, if I have questions about the software, may I contact you?
Thank you and greetings from Austria
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@digitalus / Peter, welcome!! I would be happy to help out. Just tag me with @ and my user name when you want to ask me a specific question in your thread. It is polite to start your own new thread to discuss it. There are others who are more experienced who might join in as well with helpful input and those who are in a similar learning position that would like to observe and learn or contribute.
This is Hibo’s thread about his LR4 and your photo didn’t finish uploading, so I’ve made a new thread for your discussion here.
Even new SKR boards sometimes have this issue. I ordered one directly from Biqu/BTT in July of this year that had the issue, BTT support was useless, I just added the resistor pigtails.
Note that the issue may be affected by the length of the endstop circuit wiring. On my temporary (shorter) build I did not have any problems, but when I extended the gantry length (which required soldering longer wires), then the issue showed up on two different SKR boards.
im thinking , are there any files of the jackpot pcb board ? so i could just upload them to jlcpcb or something like that ? would be much more cust effetive for me than ordering it from manufacter or US , i can assemble pcb myself and also source esp32
yeah , stll cheaper then jackpot , i might even buy old mini rambo
From the docs:
The Jackpot itself is quite reasonably priced, and I can vouch for it being much nicer to use than the 8bit based boards like the RAMBo, with better drivers and more fine control.
I would also advise against a mini-RAMBo in particular, since it doesn’t have the requisite 5 drivers, so you’ll give up auto-squaring, which is a real nice-to-have with the LR4. A full sized one is OK. They’re touch as nails and tried and true solutions, so I can’t blame you for looking there.
Full disclosure: I use Duet boards myself, because I really like RepRap Firmware, but I have used a RAMPS clone, SKR Pro 1.2, and a Jackpot at various times with several different V1 machines.
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