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5
votes
2answers
382 views

Align 2xX plate on "sandwiched" brick (height of 5 plates)

I'm using "baseplates" for my builds which are built by using two 16x16 plates with one brick height between them (to connect multiple baseplates with Technic bricks and pins). Now I'd like ...
17
votes
1answer
2k views

How is the roof on this bridge town formed?

I recently came across this build from Markus Rollbühler: It includes many great details and building techniques. I'm curious how the conical tower roof is formed, though: It's obviously made using ...
4
votes
1answer
238 views

LEGO Bugatti Issues

This is my first post and my first LEGO set. I recently built LEGO Bugatti Chiron with all the features working. I am however having an issue with the rear axle/wheels. The rear brake calipers fall ...
2
votes
1answer
143 views

Box seals: Two arrows instead of 4-digit manufacturing code, is this a fake?

I have bought a lego architecture 21001 "John hancock" from a website.But as the title, there is no 4-digit code on the sticker. Could you guys help check if the stick is not the original ...
-2
votes
1answer
178 views

Creating client logos and buildings

My colleague and I are looking to give our smaller customers a custom built company logo out of LEGO, and our 3 largest customers a model of their entire building. Can you give us some pointers on ...
8
votes
2answers
1k views

Insert a gear into a turntable?

Is there a way to insert a 24 tooth gear into a turntable of the 48452cx1 type? --> Is there any model to feature any tooth gear (even smaller) used inside this turntable? This specific ...
6
votes
2answers
221 views

How can I build the windows depicted in this image?

I am trying to figure out the building technique used in these windows. Does anybody know how to achieve those? Unfortunately I do not have pictures of the lower part. Edit: I only want it to look ...
7
votes
1answer
294 views

How can I build a Lego slope of this exact angle with ideally only legal techniques?

I'm currently building a functional Lego escalator that is minifigure-scaled and with staircases transitioning from flat platform to stairwell. Here's my progress so far: But with the design of the ...
2
votes
1answer
152 views

Where should the 76139 Batmobile roof pins land?

Lego Batmobile 76139. Could someone please advise whether the pins installed in step 445 should rest on top of or just in front of the stanchions installed in step 417 ?
4
votes
1answer
189 views

What is this right angled piece with clip and how can it be used?

What element is this? What can it be used for?
10
votes
0answers
263 views

How does the LEGO Typewriter mechanism fit?

My wife is building the LEGO Typewriter set (21327). When she installs the gearbox mechanism at step 210, the whole thing jams when pressing the keys. I am trying to help her and have "unbuilt&...
5
votes
1answer
87 views

Question about Batmobile 76139 build

What's the purpose of the hinge plates in Step 133? I ask because it got in the way when installing the side sections in Steps 222 and 231. I simply pushed it out of the way and everything was OK. ...
8
votes
3answers
488 views

Alternative ways of attaching roller coaster wheels

While doing a bit of research about a mine track related question, I noticed that part 24869 "Wheel Roller Coaster" is meant to be used only with part 26021 to form a form a specific ...
8
votes
2answers
945 views

Minimal mine track

I want to create a mine scene on a 32x32 baseplate. I want to run a train track across the front, and then about 12 studs into the mine. Then, I want to build a couple simple mining carts on the ...
3
votes
1answer
157 views

Building a window with the tie-fighter round dish

Is there an elegant way to build a round window with the Radial Cockpit Window? I've tried experimenting with vertical clip plates but it just ends up looking odd.
5
votes
2answers
110 views

What does 18853 (Friends flower) connect to besides 37695 (Plant stem with 3 leaves) or 11609 (Friends accessories star)?

What does 18853 (Friends flower) connect to besides 37695 (Plant stem with 3 leaves) or 11609 (Friends accessories star)? Is there a good way to attach it to common plant stems (3741) like this one:
19
votes
1answer
3k views

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

I have the new LEGO City road plates, and I'm wondering if they can be used to create ramps or hills. Here's the road plate system I'm referring to: Ramps and hills weren't easy to create with the ...
5
votes
1answer
317 views

Grand piano page 269 of instructions - are the gears suppose to stop after a quarter turn or keep going when reversing directions

The directions show the gears are suppose to move counter clockwise. When I follow the directions on page 268-269, and push the reverse button on the Lego power-up app for the Grand Piano, the gears ...
2
votes
2answers
156 views

Automating rotation of a block on a track

How do I rotate a block 180 degrees after an item (like a car or train) passes a certain point in a track?
19
votes
3answers
4k views

Is there a catalog of Lego building techniques?

As a Lego noob watching Lego Masters, I spot certain techniques being used time and again, without any real explanation (Lego Masters is great for entertainment, but offers little to no instruction). ...
13
votes
3answers
498 views

In LEGO: How to build a revolving magazine rack for 2x3 tiles?

I've been trying for months to come up with a design or parts for a 4-sided spinning magazine rack, like the old wire-style you would see in book stores. I need it to be fairly stable so I can put in/...
0
votes
1answer
431 views

Are there any cases of Illegal Building in an official lego build?

I am defining illegal as it is in this answer, specifically the following Studs-on-side bricks cannot have their side stud in the hole of a technic brick Bricks mounted SNOT style onto Ehrling/...
12
votes
3answers
378 views

Train level crossing using 2021 road plates

I'm interested in integrating a train level crossing into a city layout using the new road plates, but I've been struggling to figure out the best way to do this. Here's an example level crossing for ...
7
votes
0answers
170 views

Digital tool for roller coaster physics

I'm currently working on a roller coaster MOC with a looping. I started physically building the MOC but quickly recognised that it is quite a mess to build something, tear it down rebuild it, etc. ...
0
votes
0answers
66 views

Creating a Curved Grand Stand [duplicate]

I am back using Lego as an adult. On Youtube I saw a video of a quick build of the Colosseum, which connected the same standard parts with a connector to make it curved. I want to do something similar ...
4
votes
1answer
155 views

Question about the lantern pieces in the Winter Toy shop set

I have a question about the lanterns in the Winter Village Toy Shop. I'd like to just buy the parts to make a few of the street-lights in that set. However, from reading the instructions (steps 4 and ...
7
votes
2answers
627 views

Connecting an axle to a stud on the ground for railings

I'm trying to build railing using axles and connectors and am not finding an easy way to get the axles that go to the ground to connect in a way that would be best for my design. Three options I've ...
14
votes
1answer
3k views

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

In the book 1 directions for the 2020 Diagon Alley set (see pp. 43ff), I've run into the following issue: In building the back of Ollivander's shop, we seem to be building some type of shelving unit: ...
5
votes
1answer
222 views

What all fits into 4532 "Container, Cupboard"?

On Bricklink, the entry for 4532 (a container) lists several parts that fit, but it currently doesn't even list 4536 (a drawer). What else fits into 4532? Better yet, what are some "illegal" ...
4
votes
1answer
123 views

Wall Sconce Light

I'm trying to plan a few wall sconces for lighting as in this picture: One thought I had was to put a transparent 2x2 round halfway into the wall with half of it hanging out and then put 2 quarter ...
8
votes
2answers
614 views

How can I complete the build of this Lunar lander from the Space and Airport Set (9335)?

We recently got Space and Airport Set by LEGO® Education (9335) for our four-year-old who loves space and really loves his Duplo. He's been enjoying putting together the different parts of the kit but ...
2
votes
3answers
244 views

What are the arguments for and against an adult tackling a complex LEGO Technic kit as their first (and possibly only) build?

Suppose I want to get an overall view of LEGO as an adult and can afford to buy an expensive kit. I have the following abilities Good eyesight with glasses Good hand-eye coordination and ...
7
votes
2answers
426 views

How to integrate hardware/embedded button with LEGO?

I have two different buttons B3F-1000 and 3a250vac switch which i want to integrate into a lego "machine" which i'm powering with an arduino. Since the rest is integrated into lego plates, ...
11
votes
1answer
302 views

How to fill a vertical 1.5 stud wide gap?

How can a vertical 1.5 stud wide gap be filled, for example between this brick on a jumper plate and regular plate? I can achieve ratios multiples of 1/3 and 2/5 with sideways plates, but some ...
10
votes
1answer
186 views

Creating arrow patterns

What methods are there to creating convincing looking arrow patterns on walls and floors? (Without stickers or printed pieces) My current solution is to use "relief" building with slope ...
2
votes
1answer
121 views

Securing vertical hinge

In this construction, I want the vertical hinge to be in this location, centered in a 3 brick wide area. On top of it is two plates and layer of studs that match the 5:2 ratio, so in theory the hinge ...
9
votes
2answers
1k views

Elevator on rails

I'd like to build an elevator for my apartment building. My plan is to use rails and grooves to allow the elevator to slide up and down. This means I have to build the elevator with the studs ...
5
votes
1answer
272 views

How can I make controller ports round for my "Lego Gamecube"

Found my wife's old 2001 "Nintendo Gamecube" and then it sparked an idea. Once I was done it looked very nice but I still feel there is something missing! How can I make round controller ...
5
votes
2answers
141 views

Technique for holding a horizontal minifig in place (swimmer)

I'm building a scene on an 8x8 base plate, ideally the depth of the base is 1 full brick high. The design is to have a swimmer minifig horizontal (i.e. swimming) but also at an angle to the base plate,...
1
vote
1answer
502 views

Lego technic 42082 4 wheel steering issue

I have just completed the build and everything appears to work as it should except the 4 wheel steering. When you turn the small wheel on the rear of the crane only the rear wheels steer. The front ...
14
votes
1answer
313 views

How to connect fire to Lord Business' Coffee Mugs?

So, we have Lord Business' Evil Lair (70809-1), and we also have some two-tone flames from another set. How can the flames be attached to Lord Biz' coffee mugs (as seen in The LEGO Movie)? + The ...
7
votes
2answers
970 views

How could I make a playable LEGO piano?

I was thinking of how hard it is to make a LEGO piano. I have already tried to use a rubber band but it did not make a good sound when I plucked at it. My problem is that I want to make a piano but I ...
6
votes
3answers
476 views

Putting flipped plates together as close as possible

I have two plates that I would like to connect together and collapse with the studs facing out like in the image below. I need the two plates to sit as close together as possible. But I'd like them to ...
8
votes
2answers
5k views

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

I was just wandering off into my imagination and then it hit me: I should make a LEGO fan? I mean, how hard could it be? It is actually very hard for me. No matter how much ratio I put on it, it ...
16
votes
2answers
2k views

Stained glass windows on The Throneroom of Cedrica

Can anyone explain how to make the stained glass windows in builds like The Throneroom of Cedrica?
2
votes
2answers
86 views

Putting tires onto axles

I have vintage Lego sets (1970's and '80's). I absolutely cannot get the tire to fit completely over the axle. Should I try grease or hot water? I know this is the correct tire because I have some ...
11
votes
1answer
1k views

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

From what I have read, when you convert the island to a seaworthy ship, you are still left with the inn part, and no cannons on the ship. All the portholes are gone or converted to windows. Is there ...
6
votes
1answer
609 views

Simple way to build large circular plates?

I was wondering if there is a simple way to create a large circle or circular plates. I want to build a MOC of the Hero Factory assembly tower (In LDD first) but most of the pieces that form circles ...
12
votes
3answers
1k views

How does the Space Shuttle dock the ISS?

The IDEAS International Space Station (21321) comes with a miniature model of a space shuttle. And while that has its place on the space station's stand, the official LEGO product page literally ...
4
votes
4answers
550 views

How to prevent my connected axles from falling apart?

In my EV3 robot, I have two rear axles connected to each other using this part mounted like this: [ The problem with this construction is that after a while of driving, the axles disconnect like ...

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