Bulldog Extruder Project

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The "Bulldog" Extruders created by Reprapdiscount are full metal extruder, they will come with or without nozzle, depends on the perk you choose.
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Reprapdiscount Yang
Technology
Hong Kong
Hong Kong
1 Team Member

RepRapDiscount, brief introduction

Most of you know us, but for those who don't i would like to introduce myself.
My name is Elvira Yang, i am a developer and a manufacturer, my hobby are 3D printers and my friends and me having fun developing new things for the RepRap community, it's cool, it's fun. Thousands of 3D printers around the world are using parts manufactured by us.

RepRapDiscount "Bulldog" extruder, no more filament jam, no more stuck

The "Bulldog" are open source (CC-BY-NC) universal full metal direct drive extruder suitable for most of DIY printers and compatible with most j-head mount nozzles. We will publish the drawings, after this campaign ends.

We offer 2 kind of Bulldog extruder, “Bulldog Lite” to suit 1.75mm filament only and “Bulldog XL” to suit both, 1.75 and 3mm filament. The "Bulldog XL" is comes with a powerful geared Nema17 (5:1)

Here it is mounted on Solidoodle 3




 


the machined parts

bulldog as a bowden extruder


symmetrical design


this is an example how the Bulldog extruder looks like with different hotends

example of mounting an jhead

example of mounting magma hotend

example of mounting prusa nozzle version 1 and version 2

example of mounting prusa nozzle version 3 (MK2)

example of mounting merlin hotend

example of mounting E3D hotend

example of mounting rrd hexagon hotend



You can find some more videos by visiting our YouTube channel: http://www.youtube.com/reprapdiscount

In case we forgot something or you have another questions, please ask.

Features:

  • -symetric design (you can mount motor motor left or right side)
  • - additional 6mm inner screw thread
  • - fully assembled and tested
  • - full metal extruder
  • - grove mount compatible hotend holder
  • - stable and precise extruder drive
  • - direct drive extruder
  • - HIGH precision gear box NEMA 17 motor (5:1) (Bulldog XL only!)
  • - integrated fan into the mount for nozzle cooling
  • - can be used as a classic and bowden extruder drive
  • - ultra sharp filament pulley
  • - easy filament change, just pushing the bar with your hands
  • - 100% compatible with most popular hotends.

(J-Head old and new version, E3D hotend,  Merlin hotend,  Magma hotend, Prusa Nozzle)

Why Indiegogo

We finished prototyping, and the extruders are ready to ship, but we manufactured a batch of 100 pcs first. We would like to get some idea about it’s market impact to schedule our production.

We are using Fedex or DHL, you will get your perk latest 2-4 days after this campaign ends, the shipping fee is 15 USD this will be included in the price of the perk.

Common questions:

Do i am safe?

What guarantee i have that i am getting my perks?

What payment methods are accepted?

Check our reputation here:

http://feedback.ebay.com/ws/eBayISAPI.dll?ViewFeedback2&userid=reprapdiscount&ftab=AllFeedback

You can pay only by PayPal. As all of you know, paypal is, especially for the buyer, a very safe payment method. In paypal, you have 45 days time to open a claim if the item is not as described or not working.

My intention is is to provide an excellent service, returns are no problem at all, you even have not to pay for the return. I provide 60 days warranty as long the returned item hasn't been modified in any way and it will be returned in it's original packing and original condition.

In case you still have questions or suggestions please do not hesitate to contact me.

Thank you for your support,

Elvira Yang

www.reprapdiscount.com


Find This Campaign On
$26,106USD
raised by 126 people in 1 month
870% funded
0 time left
$3,000 USD goal
Flexible Funding This campaign has ended and will receive all funds raised.
Campaign Closed
This campaign ended on December 22, 2013
Select a Perk
  • $114USD
    Bulldog Lite

    Bulldog Lite (for 1.75 filament only) You are getting: - 1x Bulldog Lite assebled incl Nema17 - 4x Alen key - 1x Universal mount with 12v fan - 1x 1m PTFE tube - 1x Pushfit - 1x Worldwide shipping included

    13 claimed
    Estimated delivery: December 2013
  • $149USD
    Bulldog Lite and Hotend

    Bulldog Lite plus Merlin Hotend + 3 nozzle You are getting: - 1x Bulldog Lite assebled - 1x Merlin Hotend 1.75mm - 1x Nozzle 0.2mm - 1x Nozzle 0.3mm - 1x Nozzle 0.5mm - 4x Alen key - 1x Universal mount with 12v fan - 1x 1m PTFE tube - 1x Pushfit - 1x Worldwide shipping included

    10 claimed
    Estimated delivery: December 2013
  • $164USD
    Bulldog XL

    Bulldog XL ( for 1.75 and 3mm filament) You are getting: - 1x Bulldog XL with geared Nema17 - 4x Alen key - 1x Universal mount with 12v fan - 1x 1m PTFE tube - 1x Pushfit - 1x Worldwide shipping included

    44 claimed
    Estimated delivery: December 2013
  • $213USD
    Bulldog XL + 2 Hotends

    Bulldog XL + 2 Hotends You are getting: - 1x Bulldog XL with geared Nema17 - 1x Merlin Hotend 1.75mm - 1x Merlin Nozzle 0.2mm - 1x Merlin Nozzle 0.3mm - 1x Merlin Nozzle 0.5mm - 1x Magma Hotend 0.4mm - 4x Alen key - 1x Universal mount with 12v fan - 1x 1m PTFE tube - 1x Pushfit - 1x Worldwide shipping included

    53 claimed
    Estimated delivery: December 2013
  • $600USD
    Batch of 10 Bulldog Lite

    Reseller pack Bulldog Lite ( for 1.75mm filament only) You are getting: - 10x Bulldog Lite with Nema17 - 40x Alen key - 10x Universal mount with 12v fan

    2 claimed
    Estimated delivery: December 2013
  • $1,000USD
    Batch of 10 Bulldog XL

    Reseller pack Bulldog XL ( for 1.75 and 3mm filament) You are getting: - 10x Bulldog XL with geared Nema17 - 40x Alen key - 10x Universal mount with 12v fan

    3 claimed
    Estimated delivery: December 2013
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