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Edited: 4h

SELLING - MK4 Mainboard

in Getting Started

Hi All.

tldr: I am producing my own mainboards from the open source materials provided by Bill, and am looking to sell excess boards... $35USD Per Board. They will come programmed with the latest software. Please register interest here so i know if i need more.

The long story:

I was previously unable to purchase this product due to being outside the USA. Since this has now been open sourced i am in a position to make my own 3d Chameleon. Part of the process here is to have the mainboards manufactured for the Chameleon. The manufacturer has a minimum order of 5 boards. Therefore i will have 4 mainboards i am not in need of.

The boards are basically exactly what was sold in the kits previously, with a few altered components due to availability at the manufacturer. (over time older components become unavailable and obsoleted)

I am looking at pricing these mainboards at around $35USD at this point in time. The boards will come programmed with the latest software, I will also be happy to include some hard to get items imported from the US such as the Springs for the switching Mechanism.

Please note i have been given permission from Bill himself to reproduce these boards. so please let me know if you are interested!

Price may fluctuate depending on parts cost and availability however it will not be by much. I will have an eBay listing for this once i have the boards ready and tested.

Thanks!

------------------------------------------

UPDATE - 12/01/2025:

I have ordered a small batch of boards! These should be in my hands at the end of the month.

Once i receive them i will program and test them. I am looking to have these boards ready to ship mid February at this point. Unless they are somehow delayed. Please check back here for updates!\

UPDATE 2 - 23/01/2025

Hi all, I wanted to update you with progress so far. I have received confirmation from the PCB manufacturer that the boards have been cut and assembled and have been shipped to me. While i wait for the boards to arrive for programming and testing, i have been printing and building my own 3d chameleon and it is coming along well. I just need to sort the PTFE tubes out and i should be ready for the mainboard. Keep an eye on this space!

Pic for reference.

31 answers0 replies

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31 Comments

Catz 4 Catz

6h

Hello,

I would like to buy 1

Thank You

1

4h

Replying to

Thank you for letting me know, please note i have ordered a first batch and I'm waiting for them to arrive for programming and testing. i will update the main post with info as we go along, so please bookmark the page so you can easily come back to check for updated!

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Maxime Desrochers

Maxime Desrochers

5d

hi, im am really interested to get one. you can ship to canada?

1

4d

Replying to

I don't see why not! When the item is listed on eBay, it will be a case of first come first serve. Buyer will pay calculated shipping fees

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Earl Rawlings

Jan 14

I'm interested in a bored or two

Edited

1

Jan 14

Replying to

No problem mate. They are currently on their way from the manufacturer! Please bookmark this page and check back regularly as the boards will be a first come first serve thing. I am aiming to have them programmed and tested by mid Feb and ready to ship, but feel free to check in along the way as updates will be appended to the main post

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Oofed Pounder

Jan 13

Interested to get one too!

1

Jan 14

Replying to

No problem mate. They are currently on their way from the manufacturer! Please bookmark this page and check back regularly as the boards will be a first come first serve thing. I am aiming to have them programmed and tested by mid Feb and ready to ship, but feel free to check in along the way as updates will be appended to the main post

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Liam Pulido

Jan 12

I may buy one, but will decide when the actual Ebay listing comes up.

1

Jan 13

Replying to

Sure thing mate. It will be a case of first come first serve, as I'm not sure i will have enough for everyone interested at this point :)

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Gary o'Dowd

Jan 12

Thanks for the reply. Ok that makes sense, I'll keep checking in for progress.

1

Ulysses Rodriguez

Ulysses Rodriguez

Jan 11

I am also interested in one!

1

Jan 12

Replying to

Thanks for expressing your interest! Please check this page regularly for updates. I will keep everyone posted on progress with the boards. I may hold off another week before ordering as it seems quite a few people are still interested and this is growing.

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Gary o'Dowd

Jan 11

Hi, im definitely interested in a couple of these boards if you do this. I emailed bill who promptly replied that he doesn't supply the kits any more and pointed me to the github page so I've pretty much got everything needed to build this except for the board. I'm in the UK and would have no clue how to source this board or have one manufactured.

1

Jan 12

Replying to

i'm waiting for my other bits and pieces to arrive too so i can start printing the parts. I am thinking i may hold off on ordering the boards for another week as it seems more and more people are getting interested and i don't want anyone to miss out. Please keep this thread bookmarked and check back regularly for updates as i will be keeping everyone up to date on the progress.

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George Hebb,jr

Jan 11

I am interested also 2 of them.

1

Jan 12

Replying to

Thanks for expressing your interest! Please check this page regularly for updates. I will keep everyone posted on progress with the boards. I may hold off another week before ordering as it seems quite a few people are still interested and this is growing.

Like

Jan 08

Good News Everyone!! The PCB Updates have been finalised and all components have been updated to available ones with some quality of life improvements on some components. If all goes well i will be putting my order with the manufacturer mid next week. i will wait a bit longer in case anyone else wishes to purchase a mainboard as once i make the order, it will be unlikely i will order again unless there is a large number of people interested.

The boards should arrive to me and be programmed and tested by the end of January or very early Feb. You can expect a link to the eBay listing to appear around that time!!

1

Giorgio Piovano

Giorgio Piovano

Jan 07

Can you send me the link of the ebay inserction? I'm interested in buying it

1

Jan 07

Replying to

Sure thing mate, i will reply here to let you know the link once i have it ready to go. Please be patient with me as it may be a while until the boards are shipped to me and they have been programmed and tested. Hopefully within the next couple months.

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Nathan Morgan

Jan 07

I would be interested in purchasing one if there are any available.

Thanks!

1

Jan 07

Replying to

Thanks for confirming mate. I am still finalizing the board as a number of components from the original schematic are no longer available. I need to make sure that the new components will work with the new board. I am hoping to have the design done by the end of the week and sent off for printing.

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Giorgio Piovano

Giorgio Piovano

Jan 06

Do I just need this mainboard and the items in the bill file to completely build this model? Or do I need anything else?

1

Jan 07

Replying to

As far as i am aware, you will need only the items in the pdf that Bill has provided. However, if you are outside of the US it may be difficult to obtain the springs. I will need to buy a large sum of the springs in order to build my own. As a result i will have an excess of 46 springs, so i have decided i will be including the 4 required springs and potentially an extra spring in each order i ship of the completed Mainboard. It's $15USD just to buy the springs and the pack comes with 50 of them. I have not found a smaller or cheaper batch so i will need to purchase these for myself. They are small and can be shipped with the mainboard once i have them available.

Edited

Like

Jan 05

If you are interested in buying once, please click on the poll here and make a post to let me know

I am interested in Buying one
I am no longer interested

1

Jan 12

Replying to

I'd like to have one... and would you be interested in doing a pull request on your updates so the main branch in Github can reflect your improvements as well?

Bill

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Jan 13

Replying to

Wow the man himself? I feel honored. Sure thing mate. Once the boards have arrived and been tested i will post the eBay link for purchase, and i will update the Bill of materials with the new ones i have found.

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Noah Smith

Jan 04

Does that include shipping?

1

Jan 05

Replying to

This does not include shipping. The Shipping price will be calculated by eBay. I don't imagine it would be super expensive as the mainboard is quite small. It will just depend where you are located in the world

Edited

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Noah Smith

Jan 06

Replying to

I’m in the states. Colorado

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Jan 07

Replying to

I am not sure what shipping will cost to your country at this point in time, however as i said, the item is quite small and should be relatively cheap to ship due to its size and weight. eBay will calculate this once i have it all set up. Cheers

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