T800 Smooth Terminator Endoskull Printable WithBase (not ExoSkull)

by machina, published

T800 Smooth Terminator Endoskull Printable WithBase (not ExoSkull) by machina Aug 23, 2014
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Edit - 2017

Please note the file slices nicely with Cura. Some of you folks have had problems in Simplify3D - please try using Cura and you should get some great results.

Thank you for all of you sharing your great prints!

Edit - Dec 2015

Thank you azurial for pointing out that we named it exoskull when it's an endoskull. Frankly it's almost embarrassing that we dropped the brain as such... Thank you for the nice comment as well; much appreciated.

EDIT - July 2015

We also uploaded a Terminator Genisys model:

EDIT - Nov 2014

It's here: the super clean, fast to print, no-supports-required T800.

Download version 5.4.5 !
After hours and hours and hours of clean-up and adjustment work, this is a fairly definitive T800 model that will scale well - it prints wonderfully at 50% scale, 75% scale or 100%scale.
It will slice with Slic3r, Cura, Simply3D, KISSlicer, etc - every slicer we threw at it did a wonderful job.
All the little overhangs are handled (such as eye sockets, cheek bones, nose, side "robot" details, actuators are beefed up, cheek actuators beefed up and adjusted for higher quality/cleaner printing.
Print it fast, print it small, print it big, this is a great model.
A big thanks to all who have worked on this model before it got in our hand - Geoffro, ToScH, MUCKYCHRIS all the way to Landru.
It's amazing how many hands this model has been through to get here. Thanks to all and enjoy.
Use version 5.4.5 !
Original Upload

The T800 model is such a nice one to display on your desk, but it needed a suitable base.

Thus, our Chris set on a task of making the model easier to print and give it a base suitable for such an iconic model. There were a few issues with the other model - the jaw would come off the printbed when printing in fine quality, thus there are removable supports built into the model. Secondly, there wasn't much of footprint to touch the bed for such a large model.
It's not an inexpensive model to print, but it attracts lots of attention and it is a great conversation piece.
All models printed on Machina Corp X20 and X24 3D Printers, with Natureworks filament from Ultimachine and ColorFabb.

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Jul 22, 2017 - Modified Jul 22, 2017

So here is the problem of why it does not print correctly with Simplify. There are a few manifold errors. SLIC3R and CURA both automatically correct these errors while Simplify does not. I ran the model through a repair program and it fixed the manifold errors. The repair site is run by Microsoft https://tools3d.azurewebsites.net/ and after the repair you will need to open the repaired file in Microsoft 3D Builder and save as an STL file.

I noticed the issue when running this through SLIC3R and it said it repaired (I think it said) 536 manifold problems.

So, where's the rest of the endo skeleton?

Could you upload this design to

They have a competition running and would like to enter my photo of your design but can't as I can only enter photos from files they have .....
And I have awesome prints and photos of your model

I sliced and print this with Slicer and Cura and both didnt gave any problems for printing .. :) not even on big scale

A pound filament I threw in the trash. Then I used Netfabb and what was a surprise that the model contains many errors. Unsealed joints, holes etc. I recommend all models from thingiverse carefully checked, it is not a first bad model.


That is the skull they took and slapped a base on. Can you see if you have the same issue with that one? I would like to know if they damaged the mesh integrity.

T800 Smooth Hi-Res
by Geoffro
Feb 27, 2017 - Modified Feb 27, 2017
medapeta - in reply to Geoffro

Exactly the same problem.

This is perfect: http://www.thingiverse.com/thing:288467

T-800 Redux (sliceable)
by ToScH

that's also pretty low poly, but if you are not printing at 1:1 scale it really should be fine,

yes i tried to process it in openscad and it just went mental at all the crap that's inside it, blender/freecad didn't like it much either. perhaps this is an import from a game, not a proper design, it seems totally hollow with no wall? flashprint had to fix the model to even slice it.

tried to print with PLA at 75% scale and the tubes snapped about a third of the way through the print, i managed to print at 50% scale but the tubes snapped after the print was done. going to try ABS with very slow speeds next, not looking forward to a 12 hour print.


Mesh could be better, however, Cura slices this file with no problem. Have you tried Cura?

I also noticed that cura ignores errors in models.
But that's not a good way. I prefer to fix the errors, then ignoring it.
I'll give this model a try in slic3r with ABS :)

how much filemnt does it use

does this work on a makerbot mini

ok im about to print this, this is awesome thx for desighning this

It says " the object is not manifold" ... can i still print it or ???
just a noob here ... please explain a bit

thx guys

can it be scaled to 80% and still be safely printed/

Yes. Smallest we have scaled and printed this one is 50%

See the picture with the yellow 50% T800 head next to full size ones.

Comments deleted.

Solve the problem thanks!

Awesome Thing! Just a slight nit pick though... Exo- means that it is outside. You want to use the term Endo-. It means that it's inside. It's also what the cannon refers to the T-800 Series as.

Thank you - fixed!!!

Tried two prints using abs. The first didn't print the tendons/actuators well and ended up breaking off before they could join the rest of the model. The second did the same and also split horizontally (not the files fault). Printing one using pls right now and it is so much nicer than the abs prints. Everything is where it is suppose to be !! Great model!!

found your T-800 yesterday; loved it; printed it;
worked great; a little over 12h...


Thank you.

Glad you liked it :-)

Check in remixes I have fixed this for Simplify 3D! No holes and prints perfect!

Thanks for this model, it's awesome, however the tendons are extremely problematic as previous users mentioned, as @ChuckNorr15 pointed out, this behemoth of a print fails because Simplify3D leaves several sections empty

Luckily the problems were roughly fixable later on, so 20 hours and 300g didn't go to waste :)
(Surprisingly, only the top part of the tendons were problematic, the remaining sections turned out perfect even without the support from those parts, I'm guessing you accounted for this scenario in the design)

It looks like the STL file contains triangles making up about 35 objects. The skull is about 130k triangles and has a few holes. The base is about 20k triangles and possibly complete. There are over 30 spheres and pipe objects that make the tendons, all possibly complete.
Multiple overlapping objects isn't kind to slicers because slicing a level will produce multiple overlapping polygons that then need to be unioned together. Holes in objects make life worse, with the slicer having to guess and close the polygon.
To make this file kind to slicers needs these steps
Detect and extract the 35 objects from 160k unsorted triangles
Repair the skull
Boolean union all 35 objects into one object (one external shell)
but this isn't trivial

Hi Toddsplod67

Thank you for the detailed analysis - this file was not trivial to bring to life to begin with, and at this point it's a bit on the side for us.
Perhaps in the near future we can revisit and see to the points brought up;

The model slices well for us with Slic3r, Cura and we did print fine the generated Gcode from both slicing engines.

When we have a bit more time to revisit, we can provide an update and a closer look to the Simplify 3D Gcode.

Thank you again for your insightful comments.

Your model is fantastic. Thanks for uploading. I've extracted the parts and have repaired the skull. If I can union it all into one shell I'll share it.

Well perhaps I should clarify. When a vertex of a triangle lies on the line between the two other vertices, it's not a triangle. This then looks like a hole because it's removal stops the three triangles adjoining it having perfect matching edges (two triangles will sit against one edge of a third triangle). In order to repair, a piece of software would need to cut the third triangle so it matches the first two. Then it can build up triangles into a body by matching edges with edges. This is made harder when triangles don't have an outward normal. It looks like too many problems for Netfabb to handle.

I agree with ChuckNorr15. This file has over 200 malformed triangles (3 vertices that don't form a triangle). Many triangles share edges with other triangles but the edge direction isn't opposed which indicates some triangles are facing inwards not outwards. There are holes. I tried NetFabb repair but all it did was drop the malformed triangles. It didn't repair anything else.

This file has serious slicing issues with the back 'tendons". They are completely disjointed. I use Simplify3D. If I can't print it in Simplify3D its unprintable. I just can't use any of the crappy free slicers, its too painful.


I printed mine with Simplify3D, your analysis is extremely accurate, the print glitches exactly at that point, also the facial tendons are problematic too, luckily the problems caused were relatively healable, I managed to fill the blanks with hot glue and using the broken pieces and pre-added support parts

Hey, I love how the three prints turned out! If you would be interested in some free filament let me know and I can send you some rolls and sample packs! You can reach me at [email protected] and I would be happy to see how prints would turn out with our filament! Thanks, and awesome prints!

Thanks, this is awesome.
Printed one @ 50% for my desk at work and now everyone wants one! :)
Gave that one away already.

Printing both this and the Genesis @ 100% for myself.

I'm thinking of having them chrome plated.

what filament did you use for the gold one

That was (Natureworks) Ultimachine Gold.

So u dont have use matrix(support)

That is correct. No support necessary. Note that there are some supports to be removed - they are part of the model and do a bit of support on the chin.

I just printed this awesome T-800. Thank you for putting all the effort into designing it so well.

Thank you - just fyi, we uploaded a Terminator Genisys model as well: http://www.thingiverse.com/thing:932640

Terminator Genisys - printable
by machina


The design detail, the small edge edits to makt everything easier, supports. everything.
20/10 from me. thank you for sharing :D

Thank you - just fyi, we uploaded a Terminator Genisys model as well: http://www.thingiverse.com/thing:932640

Terminator Genisys - printable
by machina

Awesome design! Great job

Thank you, glad you like it.

This will be my next print. Thanks to the original creator.

This is such a nice deskpiece!
I have printed it at 25% and 50%

Going to make a 100% at some time, and looking forward to it!

Thanks to the original creater, and thanks for the remake!

Thank you for the kind words.

Indeed, this model is a great example of models improved by the online community.

Do you need supports for this? Aside from the one you already placed. Was this done in 0.2mm?

The plan is to go back to the model and smooth out some of the overhangs so it prints even cleaner. If you are looking for that, perhaps just put a "watch" on this item and when we upload it you will be informed.

No Supports needed.

Yes, 0.2mm layers;

The Translucent red was done at 30% infill with a 2mm perimeter, the other two are done at 20% infill with a 1.5mm perimeter.

6 days ago - Modified 6 days ago
dani31 - in reply to machina

Hi Machina,

Thanks for the beautiful creation.

Infill 15% and 0.15 layer it is ok or not ?


Thanks for an awesome model and base!

You are welcome !

Thanks for the upload of the made bit!

Yeah, Thanks for the model would have been nice.

Thanks Geoffro for your work and sharing with the community - it's a great model and it looks like it's popular all around. Cheers!

Comments deleted.