3d printer

DIY Kossel XL RepRap 3D Printer Build

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Kossel XL 2020 RepRap

I used my first RepRap Mendel Prusa 2 to print my Kossel Mini. The Kossel Mini has been a wonderful printer but I wanted something a tad bigger so I embarked on a journey to build a big Kossel RepRap 3D printer. As of writing this post there is a significant lack of affordable kits for large Kossel printers out there so I found some inspiration online and started building my own Kossel XL 3D printer. I am very proud of the results, its gorgeous and prints great!

If you don’t know already, RepRap printers are open source, no one owns them, you do! The community has a lot of information on building your own self replicating 3D printer, http://reprap.org/wiki/RepRap

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Greg’s Accessible Extruder Assembly for Kossel Mini

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I started out with Airtripper’s direct drive extruder on my 3D printer and while I liked it a lot I found out that normal stepper motors will not work. You need a hefty stepper motor and even at that I doubt the ramps stepper drivers can handle it. It is suggested to use a gear reduced stepper with something like a 4:1 step down, these are fairly expensive so I opted to build a Greg’s extruder which has the approximant 4:1 step down that I needed.

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Kossel Mini 3D Printer Vertical Movement Tutorial

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Vertical Rail Options

kossel movementThere are several options available for the vertical movement carriage of the Kossel Mini.  The thing is some options cost a LOT more money. I will show some options along with prices as of 1/1/2014.

 

 

$(KGrHqMOKooFIM4k2M6PBSJpoi,Gwg~~60_31. Use MR12 MGN12C HIWIN rail and truck currently about $140.00 after shipping…

 

 

 

 

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2. Use an additional printed carriage with Dual 623 V rollers currently around $80.00 after shipping…

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How to Build a Kossel Mini Tutorial, Frame

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Why I am building a Kossel Mini

My first 3D printer was a Prusa Mendel V2 Reprap, after seeing the speed and precision of my bosse’s Rostock Max and drooling over his Kossel mini I decided it was time to make another printer. (You can find my Prusa Mendel V2 Reprap post here) I have found that half the fun of 3D printing is building the machine… especially if you are the type that enjoys tinkering and fiddling with gadgets. I have also found that 3D printing is absolutely a hobby, though, I am to cheap to try some of the more out of the box printers that are developing nowadays. I am not sure if the urge to build things or my cut-rate pocket-book drive my DIY printing hobby more…

Read moreHow to Build a Kossel Mini Tutorial, Frame