Questions tagged [3d-printing]

For questions about 3D printing Lego-compatible parts. Generic 3D printing questions can be asked on our sister site 3D Printing Stack Exchange.

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How does The LEGO Group view 3D printed parts?

I own a 3D Printer, and depending on the legality, I may or may not have 3D printed some straight tracks. Because why not? As these parts are, hypothetically, printing, I think to myself "what ...
redfrogcrab's user avatar
2 votes
1 answer
151 views

Black Universal Joints

I'm seeking black universal joints for a project. Do these exist in genuine LEGO form? I'm guessing the answer is no, despite hints (here and here). Ideally, I'd like the 3L size. Do you know of a ...
EJ Mak's user avatar
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8 votes
3 answers
4k views

Is there a public library of LEGO parts ready to be imported to 3d editor?

I just found for myself mecabricks.com. Amazing! However I wonder where do they take models of their parts from? Are they all self-designed (and proprietary) or come from some open source? Is there ...
jayarjo's user avatar
  • 231
4 votes
2 answers
521 views

What 3D modelling services could I use to create custom LEGO pieces?

I want to create some custom LEGO Technic pieces, but I can't seem to find any software that is good at making it. I have tried using Blender, but it is hard to create holes. Do you have any ...
vanderrich's user avatar
2 votes
3 answers
1k views

Is there anywhere that you can buy *custom* individual Lego-compatible bricks?

There are pieces I'd like to get, like "door rail" inside and outside corner plates, double-sided plates, 1x1 and corner masonry bricks, 1x1 panels (not a corner, more like Lego 4865), as ...
crimson30's user avatar
  • 474
2 votes
2 answers
228 views

3d printed bricks quality? [duplicate]

I know Lego has high quality bricks, but would like to know how 3d printed quality compare ? I would also like to see the kinds of tricks you use to enhance your print quality. For what it's worth, I ...
kbenoit's user avatar
  • 205
0 votes
0 answers
151 views

Cutting Lego-compatible studs, +-axle holes?

TL;DR: Advice on how to machine/refine studs and +-axle holes on home made Lego-compatible parts. I've been really enjoying designing and 3D-printing my own Lego-compatible custom parts to supplement ...
Craig Ringer's user avatar
1 vote
0 answers
1k views

How do you make a custom Lego piece/figure?

I have googled this countless times and there just isn't anything close to what I want. I want to be able to print and design pieces: minifigure accessories, minifigure designs, pretty much make my ...
Jimmycheckers's user avatar
3 votes
1 answer
18k views

Where to get 3D files for LEGO bricks? [duplicate]

I am constantly in search for a particular rare brick from the 1990's which is ridiculously expensive on BrickLink and also hard to get. So I am thinking about printing it on a 3D printer to be able ...
fabian's user avatar
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12 votes
1 answer
19k views

What are the dimensions of a technic axle?

I'm working on a LEGO compatible motor system that will be largely 3D printed. I want the connectors to fit standard LEGO axles, but I haven't been able to find the dimensions online, and I don't ...
BillThePlatypus's user avatar
5 votes
2 answers
4k views

3D printing LDD model

I want to 3D print my LEGO models (.lxf file type). How do you do it? Do you export it to a specific file type (there are LXFML, LDraw, and LXFML4 besides LXF) then import into a 3D modeller? Or is ...
Chris K's user avatar
  • 95
3 votes
1 answer
821 views

Are there LEGO compatible CAD Files For Injection Mold Manufacturing?

I've designed some fun building brick sets that are compatible with LEGO but I know the market for them is smaller than what LEGO would be interested in. I've contacted some manufacturers at alibaba....
chrislondon's user avatar
18 votes
3 answers
3k views

Which resolution is necessary to print bricks with a 3D printer?

I would like to print LEGO compatible figures. Which resolution is required for the 3D print in order to firmly fix the figures on LEGO bricks?
ceving's user avatar
  • 281
18 votes
3 answers
7k views

Is it possible to build Lego bricks with a makerbot replicator 3D print?

Is it possible for plates, tiles or small pieces ? Is it possible to use MLCAD with a Makerbot replicator?
john lamarck's user avatar