Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!


by ace_dent, published

MV6 by ace_dent Nov 14, 2010
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MV6 by ace_dent is licensed under the GNU - GPL license.

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This is just a placeholder for a fully parametric (openscad scripted) Mendel style vertex. You want it skinny? Want to print quick moulds to fill with resin? Want to add a foot? Want to switch to chunky M10 rod, smaller M6 studding or perhaps carbon-fibre rods?...

This script makes sure the resulting part is a drop in replacement for the Standard Mendel (or Huxley) Vertex by following certain design guides, while allowing maximum versatility.

I will be cleaning up the code in the next few days and then release as soon as possible. Features include:

  • Define height and width of the vertex
  • Separately define shell (/wall) thickness for vertex and rod sections.
  • Add a shell base layer within the vertex (useful for mould making)
  • Specify dimensions of a foot if required
  • Define studded rod dimensions and tolerances
  • Ability to include grub (wood/) screws for fixing bamboo / dowel / carbon-fibre rods.

Let me know what features you'd like...


Currently my Makerbot is out of action. I'd be really grateful if anyone wants to print and test these experimental parts.

  • Standard is based of the extensively tested geometry of:
  • Minimal is untested! It uses just 8cc(!) of plastic and should print in ~30mins.
  • The example with a Foot (15mm) is not using standard geometry, but is a quick test. The foot design is likely to be re-worked.

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hey man, please post the source code! I'd really like to incorporate modified versions of this into my future printer plans.

He hasn't been active for 6 months now. I would love the source code though, these vertices are awesome and are what I use on my Prusa, as well as the ones I build for other people.

can we get the source code please? it doesn't matter if it's hacked together. if it works, it works. we can all benefit from your source code. thanks!

can we get the source please??? It's so freaking awesome. If only we had the source.

Any chance the source for this is coming... someday?

This is great!

Printed in 28 minutes, 8.03cc 8-)

update: MV6 minimal is more than 30% less plastic than a Prusa Mendel frame vertex:

MV6 minimal Mendel Frame Vertex:

vs. Prusa Frame Vertex Without Foot:

metric version


The text has 23359 lines and a size of 737.0 KB.
The total build time is 2231 s.
The total distance extruded is 46
836.1 mm.
The total distance traveled is 54267.0 mm.
The version is 2010-02-12
The volume extruded is 9.2 cc.

Mendel Frame Vertex:
The text has 29084 lines and a size of 867.0 KB.
The total build time is 3256 s.
The total distance extruded is 69991.0 mm.
The total distance traveled is 78813.0 mm.
he version is 2010-02-12
The volume extruded is 13.7 cc.


would be really excellent to see this openscad script. Could you release it? Even if it is unfinished we could help you finish it.

Release is coming very soon. Sorry for the delay.

Hi, could you release the openscad script?

can you post the stl version that has a standard foot? i can print later!

How big (/long) would you want the foot? This is the one remaining design element I'm still not happy with. Personally I dislike all of the foot designs so far...

oh i the standard nophead size is very very good. when standing as the foot frame vertex, i think nophead's is 17 mm tall and 17 mm deep and full thickness for the frame vertex itself (in his design, that is 20 mm deep because the vertex is 20 mm thick).

Have fun! Please post any pictures and feedback. Cheers.

worked great, thanks! Printed in black PLA at 200 C. The object is extremely sturdy. and the foot is very sturdy too. outstanding!

i'm looking forward to the final openscad script. Thanks!

Thanks for testing and your comments. It would be awesome if you could also do a test of the minimal design, as this has more unknowns. Any and all feedback welcomed (esp. build time, etc.). The final release should come on Wednesday.

oh i thought the footed version you posted was the minimal. ok just printed the minimal one, no foot. It printed great! 24 min flat. w00t!

thanks for doing this!

That's excellent. Thanks for testing again. 24mins is better than I had hoped... Does it seems rigid enough?

ya it's super rigid. I can't bend it (but it's PLA, which is known to be much stiffer than ABS). But I printed it 30% infill to make sure it would be strong. I would guess 20-25% would be okay to print too. Then it would be even faster!

I printed 20% infill with PLA, if you try hard, you cannot bend the vertex, but you can compress the center hollow parts a bit. DONT_KNOW