Questions about the freeware LDraw 3D design program.

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15
votes
1answer
1k 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 ...
7
votes
1answer
558 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 ...
7
votes
1answer
846 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? ...
4
votes
1answer
184 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 ...
3
votes
1answer
83 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.
2
votes
1answer
60 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 ...
1
vote
2answers
84 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 ...