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Questions tagged [ldd]

The Lego Digital Designer CAD software was developed and published by The LEGO Group from 2004-2016.

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19 votes
4 answers
1k views

Why can't I reproduce this SD card box in LDD?

I've built an SD card box a few years ago. Now I am trying to reproduce it in Lego Digital Designer. However when I tried to reproduce the closed version, LDD refuses to snap it in place. In real-...
Alvin Wong's user avatar
18 votes
4 answers
13k views

LEGO Digital Designer Alternatives

I am been using LDD (LEGO Digital Designer) for my latest NXT project and noticed a major delay in building and making instructions for my Projects (My Mindstorm projects contain well over 500 pieces) ...
iProgrammed's user avatar
18 votes
1 answer
5k views

Explaination of LXFML file contents

I am interested in writing a game that interprets LXF files into worlds (to create a game such as Lego Universe). After finding out how to extract the LXFML file from the LXF archive, I need to know ...
StackUnderflow's user avatar
13 votes
2 answers
3k views

How To Make a Small Security Camera?

I’m looking to make a wall mounted security camera in LDD to mimic this one: https://icdn5.digitaltrends.com/image/digitaltrends/swann-4k-9f-768x479-c.jpg Any clever ideas? It needs to be angled down ...
DaveZ's user avatar
  • 131
13 votes
2 answers
870 views

Can LDD or Studio calculate the weight of your model?

I have made a model of mine in LDD, and I want to know its weight. Is there any feature in LDD that can calculate the estimated weight of your model? If not, is it available in other software like ...
Ishaan Manish's user avatar
11 votes
2 answers
56k views

Building instructions from an LXF file

I've downloaded an LXF file from rebrickable.com. Which software do I need (for Windows and/or Linux) to get the building instructions based on the LXF file?
palacsint's user avatar
  • 648
11 votes
2 answers
1k views

Is there an easier way of threading Technic pins into other elements?

I've been using Lego Digital Designer to recreate a few models I've built in real life. One model in particular uses many Technic axles which need to be inserted fully into other Technic bricks (like ...
Ambo100's user avatar
  • 17.6k
10 votes
3 answers
3k views

Identify this license plate holder piece

Please tell me the name of this piece. I've been looking for it for hours on LDD and have tried searching for it with many names. I know that you use it for cars and it's a very common piece too. ...
Mark Thrill's user avatar
10 votes
1 answer
2k views

Why is my LDD model incomplete after I export it to LDraw?

I have an LDD model that I exported to an LDraw file. When I opened it in LDView, only part of it was displayed. It looks like some parts were not exported properly. Is it normal? Why does it happen?
suneel43's user avatar
  • 101
10 votes
2 answers
4k views

How to convert a model from "LEGO Digital Designer" Extended into non-Extended?

I'm using LEGO Digital Designer. My LEGO model I've designed uses parts that don't exist. This is a bummer because I am trying to buy the parts to realize my design in actual, physical LEGO bricks! I ...
MonkeyWidget's user avatar
9 votes
2 answers
2k views

Is it possible to use DUPLO bricks in LDD?

Is there a way to import DUPLO bricks to Lego Digital Designer? Or is there another way to make DUPLO build instructions?
Alex's user avatar
  • 447
9 votes
2 answers
1k views

Can anyone explain the transformation information within a Lego Digital Designer LXF file?

I've been taking a look at the structure of the LDD files recently to see if it's feasible to create a plugin for 3D studio max that allows you to directly open LXF files for higher quality rendering.....
Phil's user avatar
  • 113
8 votes
1 answer
2k views

What is the brick limit in LDD?

What is the brick limit for Lego Digital Designer? I got to 12k once, but I usually have it crash at around 9k. Does Lego Corp. have any info on this?
SMS von der Tann's user avatar
8 votes
1 answer
3k views

Any tips for aligning gears in LDD?

I'm trying to create the 42052 (Heavy Lift Helicopter), and other Technic sets. Aligning gears' teeth is relatively difficult, and the 'Hinge Align' tool rarely works. Please help!
LenTheSpaceWolf's user avatar
7 votes
2 answers
14k views

EV3-specific bricks missing from Lego Digital Designer 4.3.11 (Win)?

I have LDD on my Mac and have used it to create EV3 models (like an FLL robot, or a Lego dot-matrix printer). Recently, I purchased a cheap Windows laptop for use by a FLL team. After twice ...
Kirkman14's user avatar
  • 223
7 votes
4 answers
1k views

How to eliminate a gap of an offset in a corner

So I need to build a layer with offset bricks, which I have managed to figure out. However, the corner is a problem. The dark bricks in my pic need to be in that position. How do I fill the gap ...
Katniss's user avatar
  • 121
7 votes
1 answer
560 views

Building techniques for designing a LEGO City Street scene?

As the question suggests... I'm trying to build a city street in "midiscale" similar to that of Hong Kong, but I have no idea on where to even begin with something like this. This project is ...
GipsyD's user avatar
  • 503
7 votes
1 answer
8k views

LEGO Digital Designer Part Numbers

When I go through these LEGO kit instructions (as an example) https://shop.lego.com/en-CA/Telehandler-42061 I get the list of all parts and part numbers at the end of the PDF pages: None of the ...
Allan Xu's user avatar
  • 440
7 votes
1 answer
1k views

Source of LDD models

I have just begun using LDD and want to teach my grandchild. Is there a community inventory of some kind of LDD models that people share?
Bill Duncan's user avatar
6 votes
3 answers
11k views

What kind of software can I use to design LEGO MOCs?

What kind of software can I use to design LEGO MOCs? I hear the LDD is not so good to use so is there alternative software I can use?
fabian's user avatar
  • 1,285
6 votes
1 answer
410 views

How to place minifigure legs into normal LDD bricks, like a 1x2 brick?

Let me clear up the confusion surrounding this question to the best of my abilities I'm currently in the final steps of finishing of a mech project I started some time back, finishing now at the ...
GipsyD's user avatar
  • 503
6 votes
1 answer
2k views

What ball-joint cup piece or configuration of pieces is shown in this render?

What is the name of this particular ball-cup, or piece combination that forms the thigh component circled below? I have been unable to identify the gray cup piece when comparing it to other parts in ...
Courtny's user avatar
  • 713
6 votes
2 answers
198 views

Mecha Rail Launchpad Building techniques?

Another mecha question, but this time, at least I think, is not so intense as my last question. I've decided to take my biggest and most ambitious LEGO project yet, a custom MOC of a Pacific Rim ...
GipsyD's user avatar
  • 503
6 votes
0 answers
4k views

LEGO Digital Designer is unable to connect to the Internet [closed]

I just installed LEGO Digital Designer on my Macbook Pro running OS X (10.8.2). Every time I start up the application, it immediately displays a dialog box stating "Internet access failed" as you can ...
Anil's user avatar
  • 161
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
5 votes
2 answers
5k views

Lego Digital Designer: Having Gears Interact with Toothed Bar

I just started using LDD, and I have been trying out a few things that I couldn't do with the limitations of my Lego collection. One thing that has me caught up is that I can't seem to get the ...
Jedi_Maseter_Sam's user avatar
5 votes
1 answer
2k views

What version of Lego Digital Designer has all the parts that LEGO ever added?

I would like to know what version of Lego Digital Designer has all the parts that the Lego company has ever added to the program, before the program was discontinued. I was able to find more parts ...
justanboy's user avatar
5 votes
1 answer
545 views

Does LEGO Digital Designer include part 4539880?

Does anyone know if LEGO Digital Designer includes the part 4539880 (often used for housing differentials) ?
Nick's user avatar
  • 51
5 votes
1 answer
887 views

How to use printed bricks from set 850425 into LDD?

I would like to know if it is possible to use the printed tiles (those with letters) from the 850425 set into the Lego Digital Designer (LDD)? And if it is possible, the next question is "how" of ...
Veynom's user avatar
  • 537
5 votes
1 answer
5k views

Is there a way to convert stud.io files into LDD files?

Is there a way to download stud.io files from Bricklink and convert them into a format that Lego Digital Designer understands?
John Slegers's user avatar
  • 1,105
5 votes
1 answer
286 views

Building advice for "hunched" mech lower torso design?

Another mech based question, let me clean up as best I can... So, in LDD, I'm working on an Evangelion Unit from the popular manga and anime, Neon Genesis Evangelion, and have decided to build EVA ...
GipsyD's user avatar
  • 503
5 votes
2 answers
370 views

Lego Digital Designer on OS X El Capitan?

Since the El Capitan 10.11.2 upgrade some options are gone in Lego Digital Designer. In the Preferences menu the "Outlines of bricks" and "Advanced shading" are options unselectable. The annoying ...
Dornbi's user avatar
  • 51
5 votes
1 answer
2k views

Is there a step-by-step guide to extracting a parts list from LDD to bricklink?

I'd like to build a model I have in LDD, but i don't know how to get my parts list (I exported BOM) into bricklink. I know there is rebrickable, but I don't see an option to import either .lxf or ....
Legocake123's user avatar
5 votes
0 answers
75 views

Connectivity graph for a digital model

I'm looking for a way to take a digital representation of a model (e.g. an LDD or LDraw file) and extract from it a representation of the model that describes which pieces are actually connected to ...
David Marx's user avatar
4 votes
3 answers
5k views

Where are the 2 by 2 turntables in LDD?

I just updated to LDD to 4.3.9 today and I can't find the 2 by 2 turntable pieces. What section are they under now?
SMS von der Tann's user avatar
4 votes
1 answer
2k views

What part in LEGO digital designer can be used for a tank track?

I'm using LEGO digital designer to model a LEGO tank. I don't seem to find parts that can be used to make the tank track and the inside wheels; I found a "caterpillar belt" but no wheels that can fit ...
Chris K's user avatar
  • 95
4 votes
3 answers
4k views

LDD Seems to be missing a piece

So I'm trying to make an alternate version of the UCS Tie Fighter. I'm following the official instructions downloaded from the LEGO site, and I've come in to a problem. This piece, seen here (ID: ...
Hamish's user avatar
  • 41
4 votes
1 answer
9k views

Is there an .lxf file resource of production Lego sets?

Is there an .lxf file resource site of production Lego sets? Specifically, I am looking for the Millennium Falcon 10179 lxf file, to load into Lego Digital Designer.
Xonatron's user avatar
  • 143
4 votes
1 answer
783 views

Why can't I combine a EV3 Motor with a Technic frame in LDD?

It is easy and stress-free to attach a frame to a large motor in a vertical or horizontal manner as shown in the picture in real life. But I can't do the vertical version inside LDD. Anyone knows why? ...
ShungChing's user avatar
4 votes
1 answer
2k views

How to connect chain links in LDD to make tank tracks

I need help trying to connect chain links (in LDD) around a set of idlers and drive wheels. This is to be used on a tank design, and therefore is not using actual chain. It is using "Chain Link m=1" ...
GipsyD's user avatar
  • 503
4 votes
2 answers
2k views

Where is this piece in LDD?

I'm looking for a certain piece for building my set in LDD. I've already looked through the extend theme, but I can't find it. If anyone knows where to find it, it would be super cool.
Katherine's user avatar
4 votes
0 answers
29 views

Has anyone noticed paint tool buttons missing? [duplicate]

In LDD version 4.3.10 I have found the four paint tool buttons to be missing. I searched online and haven't found anyone else with the same question, and the user's manual was no help. Then just ...
thelegoaddict's user avatar
3 votes
1 answer
6k views

Can I import existing Lego kits into LEGO Digital Designer?

Is there any way to import existing LEGO kits into LDD (LEGO Digital Designer)? For example, I like to have this set in the LDD and https://shop.lego.com/en-US/Compact-Tracked-Loader-42032 I know I ...
Allan Xu's user avatar
  • 440
3 votes
3 answers
3k views

Determine assembly steps from LXF file

I’d like to build a MOC of a Technic vehicle that was posted online using the provided LXF file of the completed model. I was able to open the LXF file with both Bricksmith and Stud.io, but, as far ...
EJ Mak's user avatar
  • 450
3 votes
1 answer
2k views

Extract Bricklink or Brickowl parts list from LDD (on OS X)

I've got some models .lxf and I'd like to order the parts. Is there a way to extract that information from LDD on OS X? All the solutions I have seen so far go via a Windows application.
Craig's user avatar
  • 3,231
3 votes
1 answer
5k views

How do I convert an .lxf file to an LDraw file for bricksmith on Mac?

How do I open an .lxf file in LDraw's Bricksmith on a Mac?
Togoska's user avatar
  • 31
2 votes
2 answers
16k views

LEGO Digital Designer does not to connect to the Internet on Win10 laptop

I just installed on a MSI laptop running Windows 10 Ver. 1803 with a gigabyte internet connection (960mps upload 950mps download). Every time I start up the application, it immediately displays a ...
wombat712's user avatar
2 votes
1 answer
7k views

Current LEGO Digital Designer download is missing a lot of parts [duplicate]

The current LDD download is missing a lot of bricks that were in version 1.3.11 before. Such as, but not limited to: EV3 motors, sensors and the main EV3 brick. Does anyone have a solution/download ...
VoidStoneDev's user avatar
2 votes
1 answer
793 views

Coloring Multiple Bricks in LEGO Digital Draw

I made the mistake of not coloring as I went while building a large object in LEGO Digital Designer. I don't want to spend hours coloring each individual brick. Is there a way I can box select the ...
Millard's user avatar
  • 161
2 votes
1 answer
2k views

How to resolve Studio's "unavailable color" warning for EV3 motors and sensors?

I have recently switched to Studio from Lego Digital Designer for designing EV3 robots and other mechanisms. It's a great program, but the color palette is driving me crazy. I want to add Lego EV3 ...
Kirkman14's user avatar
  • 223