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Questions tagged [ldraw]

Questions about the freeware LDraw 3D design program.

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2
votes
1answer
35 views

Submodel does not show properly in LPub3D

I am new to digital LEGO models and building instructions with LPub3D. In order to find my way around submodels I have created this very simple dummy ldraw model: 0 FILE new model.ldr 0 Name: new ...
2
votes
1answer
116 views

How to include submodel into main model in LeoCAD?

In LeoCAD I can create multiple submodels. But how do I merge them or integrate one into the other? The release notes suggest that this is possible, but I can't seem to find out or find resources ...
1
vote
1answer
56 views

Where to place your own ldraw pars

I just started designing LEGO instructions. I used LeoCAD to built the model and Web Lic to create the instructions. Being a Linux developer, Windows is hard to use and access. It seems bricks ...
1
vote
1answer
122 views

Importing 3ds file in ldraw (LeoCAD)

I designed a model in LDraw/LeoCAD and exported it as .3ds file. I thought that I can import .3ds file to edit it later. Now I want to edit the model but I don't see any option to import the .3ds file ...
3
votes
4answers
561 views

Is there a current source for the LGEO parts library?

I'm working on a povray render of a model. I've seen the LGEO (not a typo) part library referenced in various places, but I haven't been able to find a working download link. Is there a current ...
1
vote
0answers
33 views

Help regarding importing into LDraw

I just have a quick question regarding importing an .obj file into LDraw. I originally put a an .obj file through Brickr and exported as an .obj. Now, I want to import into LDraw in order to visualize ...
2
votes
3answers
2k 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 ...
2
votes
1answer
275 views

How to import Rebrickable.com parts lists to LDraw?

I have exported all of the parts that I have entered into Rebrickable as a .pbg file. I also have a .xml file from Rebrickable that is for BrickLink. I was told that I could just import the document ...
3
votes
1answer
683 views

How do I make instructions from my .ldr/.lxf files on OSX?

I'm on OSX and I've got a bunch of models made in Lego Digital Designer. They look awesome! Now I want to make instructions. Q: how do I get from my .ldr files to images or PDF? I'll take ...
3
votes
1answer
3k 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?
2
votes
1answer
534 views

How to import an unofficial parts archive into LDraw?

I recently created a basic EV3 robot in Lego Digital Designer and exported it as a LDraw file. When I opened the LDView file, the EV3 elements were missing. I then proceeded to download an unofficial ...
4
votes
2answers
415 views

Where can I find LDraw files to download for basic figures?

I would like to have a collection of simple examples for my youngsters. Only for basic LEGO bricks. Not Technics or complex and complete space stations, just some step-by-step instructions for the ...
3
votes
1answer
626 views

Where can I find LDraw examples? [duplicate]

Where can I find LDraw files to download? I would like to have a collection of simple Lego examples and want to create step-by-step instructions for my youngsters.
10
votes
1answer
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?
5
votes
1answer
218 views

Do LDraw files describe models, bricks, or both?

Sorry if this is kind of a dumb question, but do LDraw files describe models (with translation and rotation values with references to bricks contained in other files), or do they describe the bricks ...
21
votes
1answer
3k views

What are LDUs and how do they relate to LEGO bricks?

What are LDUs? I see technical people talking about plans and designs in terms of LDUs. I understand it's a measurement unit. What does it mean and how do LEGO bricks relate to them? Why are they ...
17
votes
4answers
2k views

How to make a 1 ldu offset?

LDraw units are defined so that a simple 1x1 brick has a side of 20 ldu and a height of 24 ldu. Using simple building techniques, it's easy to create 2 ldu offset, as illustrated in this picture, ...
8
votes
1answer
686 views

Are there LDraw files for the standard Heroica components?

I'm using MLCAD to design and polish some Heroica maps. As I go I've made various LDraw files for the common map components (6x6 tiles with 4 spaces, 4x1 hallways, etc.) as well as some aliases for ...