14
votes
4answers
1k 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, ...
14
votes
3answers
5k views

Why do some minifigs have yellow heads and some are flesh colored?

When did the flesh colors start and why? It seems yellow heads are here to stay too?
12
votes
1answer
679 views

Steering mechanism for City-scale vehicle

I'd like to build city-scale (6 studs wide) motorized vehicles with PF remote control. There are already several suggestions on how to motorize wheels. The next challenge is steering mechanism that ...
11
votes
1answer
320 views

What is the difference between these hole shapes?

I purchased an assorted bag of LEGO Technic pieces. There are pieces with axle holes, but what puzzles me is that the holes are different from what I am familiar with. There's a piece with an ...
11
votes
3answers
5k 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?
10
votes
2answers
10k views

What are the exact dimensions of a DUPLO brick?

The dimensions of LEGO brick are documented well, but what about DUPLO bricks? If have only found the general statements that DUPLO is twice as large as LEGO but no exact numbers. What about the ...
8
votes
3answers
2k views

Simplest approach for rail sets automation

How would you tackle the automation of a lego rails set. I am looking for a solution that can be achieved with available parts. From the answer I will chose either to invest into lego rail sets for ...
7
votes
4answers
7k views

What's the best way to glue/adhese the street baseplates to a plywood table?

I'm building a Lego city, and I want to permanently glue the road onto the table. But I don't want it to be "lumpy", or melt, and I want to make sure that the baseplates will not come off the table, ...
5
votes
2answers
5k views

Compatibility EV3 software with NXT brick - known limits?

Lego says I can I use the new software to program old NXT bricks: Q: Is EV3 backwards compatible with NXT hardware? A: Yes. You can program your NXT intelligent brick using the new EV3 ...
4
votes
3answers
1k views

Representing pregnancy on LEGO minifigs without a dome

So far for pregnancy I have tried a fetal carrier that I put on the minifig's back but this limits her movements. Specifically she can't bend too far in either direction and also she can't lay down ...
21
votes
4answers
3k views

Is there a logic to the way The LEGO Group fills the plastic bags?

When opening a new box, most of the pieces are in closed plastic bags, and sometimes inside those plastic bags is another plastic bag for smaller pieces. I find the pieces, for the most part, rather ...
21
votes
6answers
1k views

What is the basis of purism in LEGO building? [closed]

LEGO purism is the idea that LEGO constructions should be made with only with official Lego blocks with no modifications. Other bits of plastic, papercraft, metal supports, and so on are frowned upon. ...
19
votes
3answers
6k views

How do you store your built models for long-term display?

My wife and I recently started to re-enjoy Lego and had a lot of fun building the Grand Emporium and a few other pieces but now they're collecting dust and we're lucky enough to have a few spare rooms ...
18
votes
5answers
2k views

Can an axle be removed from this Technic 'brick paradox'?

This blogpost on Technic Bricks briefly explains a few 'brick paradoxes' or dead ends. This particular model seems impossible to disassemble by hand: How can I remove the axle without ...
16
votes
3answers
6k views

Lego set for 17 year old

This might sound a little bit silly, but I'm 17 and I've never built a LEGO toy, so I was looking for a first one, to see what it's about. What sets would you recommend I should look at, that are ...
15
votes
3answers
5k views

What material is used to make capes and cloth in LEGO sets and where do I get it?

It seems like a conspiracy to keep everyone from knowing this. Custom cape sellers don´t say what it is, the women from the draperies I questioned always say something along the line of "coated ...
15
votes
8answers
50k views

What is considered the most valuable LEGO set?

Which Lego set is considered to be the most valuable set to own? I'm not talking about the most expensive set, and clearly it has to be out of production already, but when trying to collect complete ...
14
votes
2answers
6k views

Where do bulk LEGO sellers on eBay get their bricks?

The are a large number of people on ebay selling LEGO by the pound(or kg), for example, this guy. The LEGO is (implied to be) pre-owned as the eBay descriptions often say the bricks have been washed ...
14
votes
4answers
23k views

What was the first set produced by The LEGO Group?

What was the first Lego set produced, and when was it first released?
14
votes
2answers
2k views

Are LEGO elements safe to use in an aquarium with fish?

Are LEGO elements safe to use in an aquarium with fish? I've never seen LEGO elements in a working fishtank.
14
votes
3answers
2k views

Is there a Technique or Algorithm for Building Spheres?

There are times when I would like to build a sphere or a dome like this one: From Small Lego Sphere Project While this example is great, I find it difficult to scale it to another size, whether ...
13
votes
3answers
2k views

Are there any great LEGO designers that are well-known?

I know that many designers work for LEGO but I was wondering if there was some 'Star Designers' that we should know by name. Of course, I would also like to know what they are famous for.
13
votes
3answers
11k views

How do I know when current sets will retire?

As the title asks, how is the easiest way to find when current sets on the Lego website will be retired and no longer sold. For example, the 10197 Fire Brigade has been around since 2009, same as ...
13
votes
6answers
5k views

What is piece 4211642 from 10179 - UCE Millenium Falcon?

I'm working on making sure I have all necessary pieces for 10179: Ultimate Collector's Edition Millenium Falcon (a painstaking process, to say the least). I received the set not entirely complete, ...
12
votes
4answers
1k views

How to unplug black friction pin connectors

Black friction pin without slots connectors are common in older Technic sets. Note that these were quickly replaced by the current version with slots that is much easier to remove. vs Especially ...
12
votes
4answers
2k views

Will my LEGO bricks discolor in indirect sunlight?

I have a bunch of new LEGO sets because of my new status as an AFOL. I've got them sitting on the dresser in a room that gets indirect sunlight (see below). There is no direct rays hitting the LEGO ...
11
votes
2answers
706 views

Is it possible to add the power functions to Western Train Chase?

I recently got the Red Cargo Train and it's a great Lego set but a Cars themed train going around my Christmas tree would be even better. Has anyone gotten the power functions to work on the Western ...
11
votes
1answer
2k views

Can I use a generic (non-Lego) transformer with a rechargable Power Functions battery?

I've recently ordered a LEGO® 8878 Rechargeable Battery Box: I was wondering if I really need to get the (rather expensive) LEGO® Power Functions Transformer or if I can substitute a (cheaper) ...
11
votes
1answer
622 views

How can I create a visually appealing Castle wall from one colour?

I have a bag of hundreds of classic light grey 2x4 bricks, and 2x1 bricks. How can I use these to make some interesting castle walls?
11
votes
1answer
1k views

How can I automate orders from Lego Pick-a-Brick?

Is there a way to automate the process of ordering from Lego's online Pick-a-Brick? I'd like to be able to go from a .csv with part IDs to a filled cart on their site, or even all the way through to ...
11
votes
2answers
815 views

What's the largest LEGO construction ever?

In terms of the number of bricks used. Is this house, constructed by James May for the show Toy Stories, the biggest?
10
votes
2answers
4k views

Is there an official LEGO terminology for the features of basic pieces?

When I read this question I remember to regularly ask myself what the features of bricks are called. At the top are there nibbles, knobs, or studs? At the bottom are there tubes? New bricks also have ...
10
votes
2answers
2k views

Is it possible to obtain a replacement part for a collectible minifigure?

My son's latest collectible minifigure purchase was missing its legs. Is it possible to get a replacement set of legs?
10
votes
1answer
468 views

Are the X-Pods balanced?

I own a few X-Pods and want to play the X-Pod "Play-Off" game again. While I want my game pieces to look neat, I also want to win. Does each X-Pod have the same chance of winning? If not, then I ...
9
votes
5answers
2k views

Waterproofing Lego bricks

Pretend I have a Lego ship that I want to photograph as it's sailing along in a pool. Of course the Lego bricks have cracks in between them so water will leak through. Anyone have any ideas as to how ...
8
votes
3answers
3k views

Any good alternatives to BrickLink?

I'm trying to find certain bricks online, and of course, came across BrickLink. But it's so darn hard to use it; search is absolutely useless, and I can't figure out how to use the catalog for the ...
8
votes
2answers
2k views

Can I repair a broken LEGO brick with glue?

I have a dump truck hinge piece that snapped in half when it got bent backwards too hard. Is there a type of glue that would be appropriate to repair the piece? Would superglue be a good choice? ...
8
votes
2answers
780 views

How do I build a paper feeder with LEGO to transfer a single sheet of paper from a deck robustly?

I want to create an apparatus (which might be called a paper feeder) to take a still image for each paper taken from a deck of 500 sheets robustly. Robustly means that the apparatus must guarantee all ...
8
votes
1answer
465 views

Lego with hollow posts underneath - dates?

When did TLG change the small posts on the underside of the modern bricks and plates , eg 1x6 and 1x4, to hollow ones?
8
votes
2answers
609 views

Alternative (back of box) builds of 7822 Railway Station - is there an 'official' configuration where the track terminates at the station?

I am looking for a scan or photo of the back of the box of the 7822 Railway Station Background: As is common with Lego sets, there are a number of alternative builds pictured on the back of the set ...
8
votes
4answers
7k views

RCX firmware download problem

I hope someone can help me with a problem with getting an original RCX 1.0 system working with a current PC. I bought the RCX 1.0 system back in (I think) 2000 but its been in storage a long time. In ...
7
votes
2answers
2k views

Exact dimensions of studless Technic beams

I'm looking for the exact dimensions of the studless Technic beams. I found a number of answers for studded beams but there are some more aspects for the studless beams which are not covered. I'm ...
7
votes
1answer
780 views

What changes were made to Maersk blue?

I read that Lego recently changes the color of Maersk blue. Is this true? If so, why the change?
6
votes
2answers
7k views

Alternative builds with Star Wars LEGO sets

I currently own these LEGO Star Wars sets: LEGO Star Wars X-Wing Starfighter 9493 LEGO Star Wars Millennium Falcon 7965 LEGO Star Wars Tie Fighter 9492 LEGO Star Wars Emperor Palpatine's Shuttle ...
6
votes
2answers
214 views

How long are Star Wars exclusives usually in stock for?

I'm currently looking into purchasing the Super Star Destroyer, but I'm wondering how long they will be in stock for. The reason I ask is I know that LEGO used to have a Tie Fighter in their ...
6
votes
4answers
2k views

Are there plans to release new trains for AFOL?

I just built the Maersk train, what an amazing model! I did a little research and found that it was released in 2011 and the Emerald Night was released in 2009. Given the two year gap it seems ...
5
votes
1answer
545 views

Is it safe to try different firmwares on EV3?

I have prepared a SD card to run Lejos on EV3, as said on Lejos Sourceforge page and I'm about to test it. What worries me - will I still be able to go back to original Firmware if something goes ...
4
votes
3answers
2k views

Is the LEGO Midstorms EV3 software compatible with OS X yosemite?

OS X Yosemite (10.10) was just released yesterday. I want to upgrade, but I am worried that the EV3 software will be incompatible. What should I do? A. Upgrade B. Stay on OS X Mavericks (10.9)
4
votes
1answer
705 views

can't send multiple commands to EV3 using Python

I want to use Python to send commands to an EV3 brick. In C++ things work as expected - for instance, this starts the motor on port A and then stops it after a while: #include <unistd.h> ...
3
votes
1answer
99 views

Identification for Hinge-like Piece

I'm trying to follow building instructions on Brickshelf, but I'm having some trouble finding the piece on the right in this photo: . Anyone know what it is?

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