# Flexion Extruder Build Log

**URL:** <https://forum.lulzbot.com/t/flexion-extruder-build-log/3525>\
**Category:** Hardware\
**Created:** [June 1, 2016, 12:49pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525 "2016-06-01T12:49:07Z")\
**Posts on this page:** 16\
**Page:** 1

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**Author:** ![nbmoretto](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/nbmoretto/32/9203_2.png) [@nbmoretto](https://forum.lulzbot.com/u/nbmoretto)\
**Post date:** [June 1, 2016, 12:49pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/1 "2016-06-01T12:49:07Z")

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So I just placed my order for a Flexion Extruder. This modification seems well worth the money. It is a 1.75mm extruder with a fully guided/supported filament path and a cleaning wheel the cleans the drive gear. What I believe is the most useful function is the idler cam that has 4 preset tensions, 1 being for the most flexible filament and 4 being for the more dense/filled filament. I should be receiving my unit soon and will be posting on this thread updating my development on the project. If you want to read up on it some more the link to the website can be found here: [https://flexionextruder.com/](https://flexionextruder.com/)

![](https://flexionextruder.com/wp-content/uploads/2015/12/i3-iso.jpg)

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**Author:** ![nbmoretto](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/nbmoretto/32/9203_2.png) [@nbmoretto](https://forum.lulzbot.com/u/nbmoretto)\
**Post date:** [June 7, 2016, 12:56am UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/2 "2016-06-07T00:56:59Z")

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So the Flexion came in today and it looks great! I am so excited to get this going. I will be using the thermistor and heating cartridge from an old hexagon hotend I have this way there isn’t anything to change on the firmware side of things besides the E-Steps. Next thing is for me to get a stepper motor for this and assemble it so I can think of some good mounting strategies. Any tips?

 ![flexion.jpg](https://us1.discourse-cdn.com/flex020/uploads/lulzbot/original/2X/b/b8c274d541e86e4b66ecf4e3b9d209bedfd50a3c.jpeg)

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**Author:** ![nbmoretto](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/nbmoretto/32/9203_2.png) [@nbmoretto](https://forum.lulzbot.com/u/nbmoretto)\
**Post date:** [June 10, 2016, 2:21am UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/3 "2016-06-10T02:21:45Z")

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I just finished the main assembly of the Flexion. It is a super simple process and I used the wiring harness, thermistor, and heating cartridge from an old Hexagon hotend. I am waiting for 2 fans and a heatsink to come in. In the meantime I will be designing and printing a mount for this bad boy.

 ![13390896_1331870740163505_904647227_n.jpg](https://us1.discourse-cdn.com/flex020/uploads/lulzbot/original/2X/c/c21f7932c0538fc634cf7988485524dd24b4d417.jpeg)  
 ![13407696_1331870753496837_1124066826_n.jpg](https://us1.discourse-cdn.com/flex020/uploads/lulzbot/original/2X/f/f7c87d497935892861e6cdb82bd40553b57952cb.jpeg)  
 ![13413916_1331870733496839_1056222167_n.jpg](https://us1.discourse-cdn.com/flex020/uploads/lulzbot/original/2X/d/dab4dacf7bca76d82d32b87559dbe0cab657ee38.jpeg)

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**Author:** ![Smoldy](https://avatars.discourse-cdn.com/v4/letter/s/e8c25b/32.png) [@Smoldy](https://forum.lulzbot.com/u/Smoldy)\
**Post date:** [August 27, 2016, 6:23pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/4 "2016-08-27T18:23:47Z")

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I just found this post and very curious as to the outcome!!! Been wanting to try the dual flexion on my Taz 6. How was the rest of the process, and how are the print results?

Really the Lulzbot Flexystruder just isn’t cutting it for some of my prints. I have lots of prints that require Semiflex/Cheetah and have very thin walls which isn’t conducive for the 0.6mm nozzle.

Any input is greatly appreciated,

Smoldy

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<div class="post-metadata">

**Author:** ![nbmoretto](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/nbmoretto/32/9203_2.png) [@nbmoretto](https://forum.lulzbot.com/u/nbmoretto)\
**Post date:** [August 29, 2016, 6:42pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/5 "2016-08-29T18:42:46Z")

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> [@Smoldy](#):
>
> I just found this post and very curious as to the outcome!!! Been wanting to try the dual flexion on my Taz 6. How was the rest of the process, and how are the print results?
> 
> Really the Lulzbot Flexystruder just isn’t cutting it for some of my prints. I have lots of prints that require Semiflex/Cheetah and have very thin walls which isn’t conducive for the 0.6mm nozzle.
> 
> Any input is greatly appreciated,
> 
> Smoldy

This has been put on hold as I have been running my printer 24/7 and can’t afford the down time.

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**Author:** ![Smoldy](https://avatars.discourse-cdn.com/v4/letter/s/e8c25b/32.png) [@Smoldy](https://forum.lulzbot.com/u/Smoldy)\
**Post date:** [August 29, 2016, 11:55pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/6 "2016-08-29T23:55:47Z")

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I completely understand. My 1 and only Taz 6 is for business and it runs 24/7 just to keep up with demand. Good luck, and keep us posted if you find time to try out the Flexion.

Thanks

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**Author:** ![i-t-w.com](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/i-t-w.com/32/65_2.png) [@i-t-w.com](https://forum.lulzbot.com/u/i-t-w.com)\
**Post date:** [October 19, 2016, 10:43pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/7 "2016-10-19T22:43:30Z")

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Here’s an alpha of a TAZ 6 flexion we’re testing.  
We’re looking forward to offering 1.75 solid/flex in one tool head!  
I’ll share the model once we’ve worked the bugs out- I’m already printing a revision. A Mini version will come after that.

 ![diabase flexion taz 6 alpha first print.jpg](https://us1.discourse-cdn.com/flex020/uploads/lulzbot/original/2X/f/f5c66f71e19528eff96f09e0d105226c193c3860.jpeg)

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**Author:** ![ttabbal](https://avatars.discourse-cdn.com/v4/letter/t/db5fbb/32.png) [@ttabbal](https://forum.lulzbot.com/u/ttabbal)\
**Post date:** [October 19, 2016, 11:34pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/8 "2016-10-19T23:34:19Z")

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Interesting design. I might have to give the mini version a try when it’s ready.

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**Author:** ![i-t-w.com](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/i-t-w.com/32/65_2.png) [@i-t-w.com](https://forum.lulzbot.com/u/i-t-w.com)\
**Post date:** [October 20, 2016, 4:19pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/9 "2016-10-20T16:19:17Z")

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Updated mount fixes a bunch of issues with the prior design. [edit] 1.75 only. a 1.75 E3D won’t pass 3mm.  
Esteps are around 95

 ![diabase flexion taz 6 alpha 2.jpg](https://us1.discourse-cdn.com/flex020/uploads/lulzbot/original/2X/1/19350063e1a33ddc6a765b0111f122b22a6e74ba.jpeg)

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**Author:** ![Smoldy](https://avatars.discourse-cdn.com/v4/letter/s/e8c25b/32.png) [@Smoldy](https://forum.lulzbot.com/u/Smoldy)\
**Post date:** [October 20, 2016, 5:19pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/10 "2016-10-20T17:19:01Z")

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Please let me know when this becomes available!!!

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**Author:** ![piercet](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/piercet/32/12_2.png) [@piercet](https://forum.lulzbot.com/u/piercet)\
**Post date:** [October 20, 2016, 9:12pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/11 "2016-10-20T21:12:31Z")

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> [@i-t-w.com](#):
>
> Updated mount fixes a bunch of issues with the prior design. The Flexion makes it trivially easy to change between 1.75 and 3mm.  
> Esteps are around 95

I like that mount!

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**Author:** ![i-t-w.com](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/i-t-w.com/32/65_2.png) [@i-t-w.com](https://forum.lulzbot.com/u/i-t-w.com)\
**Post date:** [November 25, 2016, 11:26pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/12 "2016-11-25T23:26:55Z")

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We’re working through how well this will work as a “product” vs. a project.

The extruder body looks to have the bugs worked out, so the .stl is now on Thingiverse [http://www.thingiverse.com/thing:1917179](http://www.thingiverse.com/thing:1917179)

Here’s the onshape project. [https://cad.onshape.com/documents/056fe70315481d0aed297645/w/4162b4818bcc4d1af3c99273/e/15addbd24e5a5297f92728f4](https://cad.onshape.com/documents/056fe70315481d0aed297645/w/4162b4818bcc4d1af3c99273/e/15addbd24e5a5297f92728f4)  
As you can see, We’re also working on a version for the Mini, but haven’t achieved a satisfactory extruder arrangement yet

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**Author:** ![Smoldy](https://avatars.discourse-cdn.com/v4/letter/s/e8c25b/32.png) [@Smoldy](https://forum.lulzbot.com/u/Smoldy)\
**Post date:** [November 26, 2016, 1:38am UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/13 "2016-11-26T01:38:20Z")

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> [@i-t-w.com](#):
>
> We’re working through how well this will work as a “product” vs. a project.
> 
> The extruder body looks to have the bugs worked out, so the .stl is now on Thingiverse [LulzBot Taz extruder mount for Diabase Flexion by ITWorks - Thingiverse](http://www.thingiverse.com/thing:1917179)
> 
> Here’s the onshape project. [Onshape](https://cad.onshape.com/documents/056fe70315481d0aed297645/w/4162b4818bcc4d1af3c99273/e/15addbd24e5a5297f92728f4)  
> As you can see, We’re also working on a version for the Mini, but haven’t achieved a satisfactory extruder arrangement yet

I love my Taz 6, but not too happy with the Flexydually. Really just need more precision, so this seems like a great upgrade. Do you have a list of materials I need to make this, or any kind of build log?

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**Author:** ![i-t-w.com](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/i-t-w.com/32/65_2.png) [@i-t-w.com](https://forum.lulzbot.com/u/i-t-w.com)\
**Post date:** [November 28, 2016, 6:15pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/14 "2016-11-28T18:15:48Z")

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> [@Smoldy](#):
>
> I love my Taz 6, but not too happy with the Flexydually. Really just need more precision, so this seems like a great upgrade. Do you have a list of materials I need to make this, or any kind of build log?

No build log yet, I’ll keep posting here until it’s time for the “product” to get it’s own thread. I’m not yet comfortable that we’ve worked the bugs out, so this is still a “project”

Anyhow here’s what you need to build your own:

Order:

- Flexion for e3d hotend [https://flexionextruder.com/shop/extruder-for-e3d-hotend/](https://flexionextruder.com/shop/extruder-for-e3d-hotend/)
- E3D V6, 1.75, non-bowden, 24V. Our friends at Matter Hackers have the right one at a good price [E3D All-metal v6 HotEnd Full Kit - 1.75mm Universal (Direct) (24v) | MatterHackers](https://www.matterhackers.com/store/printer-accessories/e3d-all-metal-v6-hotend-full-kit-1.75mm-universal-direct-24v)
- 30x10 5v fan for the heatsink [MC30100V2-000U-A99 Sunon Fans | Fans, Blowers, Thermal Management | DigiKey](https://www.digikey.com/product-detail/en/sunon-fans/MC30100V2-000U-A99/259-1551-ND/2757812)
- Brass heat inserts. For convenience, we sell singles of the 5 sizes needed for all LulzBot printed parts. If you need a bunch, we even list the mcmaster #s so you can order there for less 🙂. You (should??) need 8 of the 94180A331 M3x3.8 [https://itworks3d.com/product/metric-brass-heat-set-insert-plastics/](https://itworks3d.com/product/metric-brass-heat-set-insert-plastics/)
- (1) Limit switch [https://itworks3d.com/product/limit-switch/](https://itworks3d.com/product/limit-switch/)
- (2) 40mm 24v 2 wire filament fans. [https://itworks3d.com/product/fan-24v-40mm/](https://itworks3d.com/product/fan-24v-40mm/)
- Wires and pins to make the wiring harness. We have the 2x8 housings [https://itworks3d.com/product/molex-2-row-connector-lulzbot-tool-heads/](https://itworks3d.com/product/molex-2-row-connector-lulzbot-tool-heads/) We’ll post the pins here soon
- Half height stepper. I’ve been using the “black” [https://itworks3d.com/product/nema-17-stepper-motor-half-height/](https://itworks3d.com/product/nema-17-stepper-motor-half-height/)

Print:  
Extruder mount [LulzBot Taz extruder mount for Diabase Flexion by ITWorks - Thingiverse](http://www.thingiverse.com/thing:1917179)  
Left fan duct [Index of /TAZ/Olive/production\_parts/printed\_parts/fan\_duct\_left](http://devel.lulzbot.com/TAZ/Olive/production_parts/printed_parts/fan_duct_left/)  
Right fan duct: [Index of /TAZ/Olive/production\_parts/printed\_parts/fan\_duct\_right](http://devel.lulzbot.com/TAZ/Olive/production_parts/printed_parts/fan_duct_right/)

Now, what did I forgot? 🙂

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<div class="post-metadata">

**Author:** ![Smoldy](https://avatars.discourse-cdn.com/v4/letter/s/e8c25b/32.png) [@Smoldy](https://forum.lulzbot.com/u/Smoldy)\
**Post date:** [November 28, 2016, 9:46pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/15 "2016-11-28T21:46:05Z")

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Thanks so much for posting all of this! What bugs/problems have yall seen with this setup? If they are minor, I might go ahead and start putting this together.

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**Author:** ![i-t-w.com](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/i-t-w.com/32/65_2.png) [@i-t-w.com](https://forum.lulzbot.com/u/i-t-w.com)\
**Post date:** [December 1, 2016, 6:58pm UTC](https://forum.lulzbot.com/t/flexion-extruder-build-log/3525/16 "2016-12-01T18:58:37Z")

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> [@Smoldy](#):
>
> Thanks so much for posting all of this! What bugs/problems have yall seen with this setup? If they are minor, I might go ahead and start putting this together.

So far, no deal breakers, though attending to sales has sidetracked extensive testing. It’s currently installed on our demo TAZ 5, and I’m “learning” 🙂

- If you want to print with this dual fan toolhead on a TAZ 5, filament cooling is excessive, just the same as if you swapped to a TAZ 6 V2.1 toolhead. Either stick with a single filament cooling fan, or be prepared for extensive testing to find correct cooling settings. I’m still working on the profile.
