79 votes
Accepted

How do I center a 2x2 plate on a 3x3 plate?

I saw this technique in LEGO's Disney Castle for offsetting parts of a column by half of a stud. You can see the column on the left in this picture is shifting half a stud above a 3x3 plate: Of ...
user avatar
  • 5,089
47 votes

How do I center a 2x2 plate on a 3x3 plate?

For centring a minifigure on a 3×3 plate, I would do the following (though it’s not exactly what you asked for): Arrange 2×1 plates with centre studs as follows: Add 1×1 panels for optical harmony: ...
user avatar
  • 2,154
38 votes
Accepted

Can the new road plates be used to build ramps or hills?

I tried this out recently with the new road plates. Because the new system is composed of proper plates with connection points on the underside, this is fairly simple to do. It really comes down to ...
user avatar
  • 34.1k
31 votes

How can I get my motor to line up with a linear actuator?

The axle is misaligned by half a stud, so an obvious approach to this problem is offset your motor by half a stud. The technique of offsetting bricks by half a stud is known as AZMEP (from the german &...
user avatar
  • 4,031
28 votes
Accepted

Stained glass windows on The Throneroom of Cedrica

I see that this popped up on HNQ, so I wanted to expand on shoover's excellent answer with a build showing one way that this could be put together for folks that may not be as familiar with LEGO ...
user avatar
  • 34.1k
26 votes

If I were to make a LEGO fan how would I make it blow air on me?

A fan is just 1/4 of a drone, right? Check out this lego drone that actually flies, for inspiration. https://youtu.be/wUVvQk7XLd4 The blade part in question is 89509
user avatar
25 votes

Is there a catalog of Lego building techniques?

Swooshable has a great collection of SNOT (studs not on top) and advanced techniques, it is probably the closest thing you will get to an online catalogue. They seem to have updated their SNOT ...
user avatar
  • 17.3k
24 votes

When did LEGO decide that it was okay to put a stud into a Technic hole?

1977 When Technic was first introduced. Check out this alternative build of set 850:
user avatar
  • 1,156
24 votes
Accepted

Is this an error in the updated Harry Potter Diagon Alley build/instructions?

The wall behind the shelving unit is not a standard wall built with regular LEGO bricks, but a panel, which is hollow on one side. The parts that are sticking out at the back of the bookshelf are ...
user avatar
22 votes

How can you make a hip holster for minifigs?

Three 1x1 plates, two 1x1 round bricks, and one 1x1 plate with clip.
user avatar
  • 5,146
22 votes
Accepted

How can you make a hip holster for minifigs?

It's kinda chunky, but the best I can come up with is 42446 + 2555: + = It would leave a half-plate gap on one side if they only have 1 holster though, but at-least you keep the regular minifig ...
user avatar
22 votes

Cargo bike brick identity

That's not a single part. According to the instructions shared by the creator of that cargo bike on their twitter account, it's a combination of : 1 Black Plate, Round 1 x 1 1 Black Plate, Modified ...
user avatar
19 votes
Accepted

What is the quality of LEGO replicas on Aliexpress?

You might be interested in the excellent, hilarious and comprehensive Communist LEGO report. It tells you all you can expect, from the good brands to the bad brands. At a minimum, it'll get you ...
user avatar
  • 16.5k
18 votes

How do I center a 2x2 plate on a 3x3 plate?

If stability is not an issue, consider the following: Put a 4×4 dish on your 3×3 plate (yes, this fits): Put your 2×2 plate in the middle (in any orientation you like): If you want to centre your ...
user avatar
  • 2,154
18 votes
Accepted

How is the roof on this bridge town formed?

At first, I assumed that this was a clever technique using something flexible like a net or tubing. After a bit of digging, I found a similar tower roof on a different build by the same person: ...
user avatar
  • 34.1k
17 votes

How do I center a 2x2 plate on a 3x3 plate?

Another soloution if rotational stability is not too much of a concern and you don't like having studs on show. Put a 1x1 plate in the middle of the 3x3 plate and surround it with 1x1 or 1x2 flat ...
user avatar
17 votes

If I were to make a LEGO fan how would I make it blow air on me?

The easiest way to do this would be to use a motor with a high speed (or gear up a lower speed motor) and then attach one of the larger propeller elements to it. You can probably build a custom prop, ...
user avatar
  • 34.1k
17 votes
Accepted

How to fill a vertical 1.5 stud wide gap?

Before I attempt to come up with an answer, let me share how I think through problems like this, as it might make it easier for others to solve problems like this in the future. We can see that the ...
user avatar
  • 34.1k
16 votes
Accepted

What are some creative uses of the orange brick separator tool?

I have seen a number of very creative builds with the orange brick separator. Here are some examples: Spaceship by F@bz: http://www.flickr.com/photos/fabz71/12434428513/ Mech by Lewis Meeny: http://...
user avatar
15 votes
Accepted

How can I make a precise one-way clutch using Technic elements?

Would this solve your problem? Depending on the direction of the input, only one axle will turn.
user avatar
  • 13.8k
15 votes
Accepted

What elements do I need to create a smooth multi cheese slope ramp?

To create a smooth surface with cheese slopes they must be offset by one-half plate in height. There are several techniques to do this. Here is one using the common "headlight" brick. It has the ...
user avatar
  • 3,809
15 votes
Accepted

Why don't inverted brackets (99780) work in this SNOT 180 configuration?

The short answer is because the combined height of the two mini inverted brackets is greater than the interior space of a tile (or brick for that matter.) But you knew this already. I realize it isn'...
user avatar
  • 651
15 votes
Accepted

How does the Space Shuttle dock the ISS?

It looks like LEGO did not intend to make Shuttle attachable to ISS despite the statement. At least not with a stud-on-stud connection like the set is designed right now. As seen in picture below, ...
user avatar
  • 19.9k
14 votes

How to put LEGO together upside down

I attempt to create a searchable index of SNOT techniques, as this is called. Of those, the strongest 180 degree stud reversal are probably one of these: If you want to connect the two curves ...
user avatar
14 votes
Accepted

Are BanBao bricks compatible with Lego?

I have 2 Banbao set from before the lawsuit with Lego (minifig style minifigs) and they are more and less compatible with lego, the pitch between the studs is the same. But there is some remark I ...
user avatar
  • 7,403
14 votes

What will happen if I submerge LEGO in water?

The Atlantis Submarine Voyage ride at LEGOLAND Windsor has almost 100 models (albeit glued together) submerged in a 1,000,000 litre tank with 'upto 50 species of rare sharks, rays and tropical fish'. ...
user avatar
  • 17.3k
14 votes

What are some creative uses of the orange brick separator tool?

How about a Minifig scale playground slide? There is a connection point for an Technic Axle connector to provide the support for the slide and two stud connections to add a ladder.
user avatar
  • 17.3k
14 votes

Is this assembly legal?

The answer depends on your definition of "legal". In the strictest sense, it means "can be used in official LEGO sets", and in this case, this is definitely not legal, as the axle is not designed to ...
user avatar
  • 13.8k
13 votes
Accepted

Brick-built alternative to "Door 2 x 5 x 5 Swivel, Bracket Base"

Why not use just two jumper plates (3794), one on the top and one on the bottom? No more additional are pieces required. You can also replace the stack of 1x1 round bricks with a single Support 1 x 1 ...
user avatar
  • 17.3k
13 votes
Accepted

Pirates of Barracuda Bay 21322 - Is there a way to get the ship pirating-worthy?

The review over at Brickset mentions this exact modification: Pearl gold windows are fixed inside each gunport, preventing the deployment of cannons. While this seems slightly odd, the lattices can ...
user avatar
  • 13.8k

Only top scored, non community-wiki answers of a minimum length are eligible