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  • Geeetech A20M Mix-color 3D Printer
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Geeetech A20M Mix-color 3D Printer


Shipping Weight:11000g

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Geeetech A20M Mix-color 3D Printer


Geeetech A20M 3D printer, adopting open source GT2560 control board, delivers mix-color objects and greatly enriches your 3D printing life. Keeping the good performance of Geeetech’s portfolio of 3D printers, it aims to provide users with quality printout and satisfactory printing experience.


The modularized design makes it easy to build the printer in 3 steps. Its classic blue and black color combo imparts a touch of simplicity and excellence, embodying Geeetech’s commitment to quality products.


With its build volume as 255*255*255mm³and the classic Prusa I3 3D printers’ gantry structure, A20M makes the best of the building platform and enables you to view the printing details in 360°. Printing at the accuracy of 0.1mm, it delivers objects with smooth surface finish, clear angles and strong structure. Besides, A20M comes with filament detector and break-resuming capability, greatly enhancing your 3D printing experience.


Its well-designed extruder greatly reduces the risk of clogging or leaking. A20M extruder cover features 360°ventilation design, greatly enhancing the dissipation of heat and guaranteeing excellent printing quality.


A20M extruder motor uses a gear train of 3:1 speed ratio, amplifying input torque and improving your printing experience. Adopting the modularized design for extruder wiring, A20M makes it easy to exchange the wire.


The V-shaped wheels and rails on each axis, made from wear-resistant aluminum profile, could, in a large measure, reduce the printing noise and offer you a quiet 3D printing environment.


In addition, A20M control board supports auto-leveling, an optional add-on. Just connect the auto-leveling sensor and adjust the related parameters. Saving the efforts of manual leveling.


Geeetech EasyPrint 3D host software provides a straight-forward platform for you to control the printer and complete the slicing process. Easy and convenient for both beginner and pros.


Combined with 3D Wi-Fi module, A20M invites you to enjoy the convenience of cloud 3D printing solution, via which you could enjoy 50,000+ free 3D models, cloud slicer and remote control over your printer on EasyPrint 3D App. This self-developed App is responsive and user-friendly.



-Printer is free shipping to EU UK USA AU, if shipping address is remote , there will have 30usd as remote fee, this is charged by carrier not by geeetech.

-You need buy 3d touch and wifi module separately. 

Click here to download: softeware/files

Geeetech A20M

Manual leveling for Geeetech A20 & A20M

How to manually clean 2 in 1 out nozzle block for Geeetech A20M

How to solve inadequate feeding & biting of your GTA2 Extruder

Solution of Geeetech A20 & A20M hot bed loose

How to change 2 in 1 out nozzle for Geeetech 3D printer

Geeetech A20 & A20M X axis belt tightness adjustment

Printing parameters

Printing technology: FDM

Build volume: 255*255*255 mm³

Printing accuracy: 0.1mm

Positioning precision: X/Y:0.011mm. Z: 0.0025mm

Printing speed: 120 mm/s (max)

Filament diameter: 1.75mm

Nozzle diameter: 0.4mm

Filament: ABS / PLA/wood-polymer/PVA/HIPS/PETG, etc.


Max temp for hotbed: 100℃

Max temp for extruder: 250℃


Software resources

Operating system: Windows, MAC, Linux

Control software: EasyPrint 3D, Repetier-Host, Simplify 3D, Cura, Slic3r, etc.

Remote App: EasyPrint 3D App (with an optional 3D WiFi module)

File format: .STL, G.code



Power supply: Input: 110V/220V

            Output: DC 24V/15A

Connectivity: Wi-Fi (with an optional 3D WiFi module), USB cable,

SD card (support stand-alone printing)

Display screen: LCD 12864



Frame: Aluminum profile

XY Rods: Wear-resistant aluminum profile

Z axis: Lead screw

Stepper Motors: 1.8°step angle with 1/16 micro-stepping


Physical Dimensions & Weight

Machine Dimension: 442 x 447 x 480mm³ 

Shipping box Dimension: 510 x 495 x295 mm³

Machine Net weight: 8.8kg

Machine Gross weight: 11.0 kg


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  • Sebastian P | 11/05/2019

    Can you have PLA and PVA print together on this printer? (PVA as supports)

    • Jocelin Jia | 11/05/2019

      hello, yes, it support this. you can try it, but generally we suggest print the same material on one printing

  • Cristal Kelly | 10/21/2019

    Does this include stands for filament rolls as pictured? Will it work with only one filament, or must one use two in?

    • Jocelin Jia | 10/21/2019

      yes, do you mean the filament arm holder, the package will include them. it can work with only one filament as single color printer, also can use two as mix color. if you often need print one color, pls print 2 roll filament with 50% 50%, and clean then print the one roll filament, to avoid block

  • Andrey Sopranenkov | 10/09/2019

    Hello. my endstop is broken. The Board says "endstop_s" and the numbers "1905". The problem is that I can't find this endstop anywhere. Please tell me what to do?

    • Jocelin Jia | 10/10/2019

      hello, pls send email to sales@geeetech.com, we will arrange it offline for you, some small parts are not listed on the website

  • Catherine TRITSCHLER | 09/15/2019

    Hello, This printer is much cheaper than the one sold on Amazon by GT OFFICIAL EU, is it the same model or an older version ? Thanks

    • Jocelin Jia | 09/17/2019

      hello, it is the same model as Amazon sell, it is just we are offering a discount activity here, the discount will end in 4 hours

  • Jari Schütz | 09/08/2019

    is there a Glassbed to buy, like the geeetech superplate for this printer ?

    • Jocelin Jia | 09/10/2019

      yes, pls search 700-001-1123 for glass platfrom, search heatbed for glassbed kit

  • Leon de Oliveira | 08/26/2019

    Can this print 2 different materials in one print?

    • Jocelin Jia | 08/27/2019

      hello, yes it can, but we do not suggest print 2 different material in one print, it may easily cause block

  • Andras Erdelyi | 03/08/2019

    Hi. Can the A20M be upgraded with your Mk8 dual hot end? Is it just a plug and play type upgrade or extra hardware is needed? Thanks

    • Jocelin Jia | 03/11/2019

      you need change wires extension board hotend firmware

  • John Cook | 02/20/2019

    Hi I placed and order for this printer on 2019-01-30, order No. 20190130150312569. I received a conformation email and payment is marked as received on 2019-01-31. However the order has been stuck on processing step for the past 3 weeks. I have tried twice emailing on the order consultation tab but not received any reply. I was just hoping to receive an update on the order and when the expected delivery date is? Many thanks Jack

  • Pedro Henrique Pelissari | 02/18/2019

    Do you ship to Brazil? the cost is 30 dollars? Does buying have a difference in bangood?

    • Jocelin Jia | 02/19/2019

      yes, we ship it. i have sent mails to u, please double check

  • Andres Del Rio Benito | 02/14/2019

    Hi, I need to buy a new hotend (the one that came with the printer barely a month after buying broke). I'm looking into this one https://es.aliexpress.com/store/product/2018-Upgraded-12v-24v-Cyclops-Multi-color-Extruder-2-In-1-Out-2-colors-Hotend-Bowden/1051583_32901497133.html?spm=a219c.search0104.3.22.7aec1cc5uNLSwh&ws_ab_test=searchweb0_0,searchweb201602_5_10065_10068_10547_319_10891_317_10548_10696_10084_453_454_10083_10618_10307_10820_10821_10301_10303_537_536_10902_10059_10884_10887_321_322_10103,searchweb201603_57,ppcSwitch_0&algo_expid=eb6cdb73-0180-4f57-8def-f9e6a4ca0c5f-3&algo_pvid=eb6cdb73-0180-4f57-8def-f9e6a4ca0c5f&transAbTest=ae803_3 Do I need the 12 V or the 24V version?

    • Jocelin Jia | 02/19/2019


  • Xantxo Coquillard | 02/11/2019

    hello, if I order on amazon or the official website and if I have a problem of a piece that stops working. the guarantee is the same?

    • Jocelin Jia | 02/13/2019

      policy is different but warranty is the same

  • Lavell Hampton | 02/03/2019

    Where can I get the lizard code,, My printer didn't come with it.

    • Jocelin Jia | 02/13/2019

      please find it on geeetech facebook user group, thanks

  • Sergio Carlos Hernandez Ochoa | 01/26/2019

    Nadie me ha podido ayudar???????????

    • Jocelin Jia | 02/13/2019

      can you please send mails to jocelin.jia@geeetech.cn? thanks

  • Vee Dough | 01/14/2019

    Hello, I would like to print materials which require a higher bed temperature, such as poly carbonate. Can the bed temperature go above 100c? Minimum would be 120, or better yet 130.

    • Jocelin Jia | 01/16/2019

      The termperature can be 100-110, thanks

  • michael lloyd | 12/17/2018

    Hello does it have the g code profile to use colour change in cura as I can’t find any on the web struggling with my zonestar dual extruder and wanting something better quality and ease of use

    • Jocelin Jia | 12/18/2018

      Hello Michael, Please visit below links to download the color mixing software, it can help you mix more easier, thanks http://www.geeetech.com/forum/viewtopic.php?f=92&t=61760

  • Séverine Déret | 11/25/2018

    pour une livraison pour la France quelle entrepôt choisir

    • Jocelin Jia | 11/26/2018

      please choose EU , thanks

  • Séverine Déret | 11/25/2018

    pour une livraison pour la France quelle dépôt choisir

  • Chauvel Romain | 11/23/2018

    The nozzle is impossible to disassemble. Result i can not be use my printer my nozzle is clogged

    • Jocelin Jia | 11/26/2018

      please join geeetech facebook user group, there will have team support to tell you how to disassemble it, thanks

  • Emmanuel DIDAT | 11/18/2018

    comment configurer le capteur 3DTouch auto nivelant ?

    • Jocelin Jia | 11/20/2018

      please kindly join geeetech facebook user group,there will have team support, thanks

  • Ralf Geyer | 11/06/2018

    Does Cura support this printer?

    • Jocelin Jia | 11/07/2018

      yes, it support cura repeter host slice 3d simplify 3d......