Questions tagged [building]

Interested in building techniques? Then this is the tag for you.

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2
votes
1answer
83 views

How do I connect part 62113 together to form a ladder?

I am looking to build a ladder. I saw part 62113 and was wondering if its possible to connect part 62113? Here's what that part looks like:
2
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2answers
175 views

How do you support upper floors in tall buildings?

When I build a skyscraper out of LEGO and the floor above is weak do I remove the flooring from above and a pillar underneath and then put the floor back or something?
6
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3answers
253 views

How can you pin the Penguin Suit Guy down?

I like penguins and so I was really amazed to find the Penguin Suit Guy in Collectible Minifigures Series 16: But despite coming with the 88646 tile he won't stick to it because of the skates: There'...
3
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1answer
283 views

How to visually search for specific parts in a 3D model?

For a missed/loose piece that needs to be reattached, I plan to check all the steps where the piece was used. If I can also get an overview of the possible piece locations from the existing 3D models, ...
5
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1answer
564 views

Fan door does not close completely - Air Race Jet

After completing the Air Race Jet, I found that the upper fan door does not close completely (stopping short by about 1/2 inches) when I switch from VTOL to Flight mode. The attachment points to the ...
1
vote
1answer
150 views

Problem assembling wings as shown for LEGO Air Race Jet (Technic 42066)

On Page 158 (Step #231) of the assembly instructions for the Air Race Jet, two red rivet bricks are shown being inserted into a wing. But the pieces in question will simply fall through the holes in ...
12
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2answers
557 views

How to glue a LEGO tree decoration in a way that's not permanent, to prevent accidental disassembling?

I have a sweet LEGO Santa Claus and few other builds that would look cool as decorations on Christmas Tree. Sadly, it would probably break if I would try to hang it. It can stand all right but is not ...
4
votes
1answer
185 views

How to ship a LEGO sculpture to a contest?

I am planning to participate in an art contest that allows paintings, sculptures, or video clips. I have a LEGO sculpture in mind that would fit the idea of the contest, but it would have to be ...
9
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1answer
1k views

How many 2x4 Lego bricks would it take to build a real skyscraper?

As an exercise designed to communicate the scale of plastic waste in the oceans, which was estimated at 268,940 tons in 2014, I'm trying to describe how many life-size buildings one could construct ...
7
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3answers
803 views

Problem with “warping” of LEGO water

I am new to Bricks.StackExchange, but not to StackExchange, nor to LEGO bricks. I have run into a problem and was hoping for some ideas. I was trying to imitate the cool water technique of Legopard ...
4
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1answer
239 views

Is there any reason behind fancy bricks in invisible places?

In set 60080 there is a blue bick with pretty fancy shape. There are also hardly visible bricks in other places. Is there any reason? Why are these bricks used? Any official or semi-official ...
3
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1answer
88 views

Principles of D.I.Y. Minecraft microworlds

Lego released 4 Minecraft microworlds which more or less fit together with each other in some meaningful way. Just to impress my boys I've been making my own worlds on 6x6 plates or wing pieces. I'...
8
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1answer
108 views

Are there any wheels or rings that fit in pin clips?

I was experimenting with Lego part 16091 Vehicle Steering Wheel Small and various clips, mainly the ones that fit onto bars. To my frustration I found that the clips do not engage at all with the ring ...
10
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2answers
323 views

How are these transparent stairs made?

What techniques and bricks are used to support the transparent pieces? Can anyone work it out?
7
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1answer
227 views

Connecting “out of system” roads?

I've been trying to figure out how to connect SNOT road models that are at varying angles to one another. You can see my efforts in this thread. Are there any interesting methods of connecting roads ...
4
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2answers
448 views

What's the fastest way to rebuild different sets that have been brought together

My mom did something to my LEGO. When I was a kid I loved playing with them. Frankly I have no interest in it anymore. She broke down all them sets, and put them all in a huge box. I still can ...
4
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2answers
440 views

Building a more-efficient water propeller?

I enjoy making Power Functions-controlled boats to race (in water) in various LEGO convention competitions (which require 100% genuine LEGO pieces). Usually, these boats end up being paddle boats, ...
10
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2answers
871 views

How can I build a brick-built monorail track?

LEGO haven’t released a new monorail set since the 90s, and the track parts that were made are very expensive and hard to find. I am interested in building a brick-built alternative. I am ...
9
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1answer
455 views

What is the largest jump in LEGO instructions?

What is the largest gap in LEGO instructions in terms of build time needed to complete a step? For example, Skyline (5526) includes this step: That is quite a leap between steps 14 and 15. I'm ...
2
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2answers
149 views

Lego identification help! Red torso, lightsaber handle, and grey pieces?

What does this build? Can anyone help me with the instructions link?
2
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1answer
355 views

Which LEGO set is best suited to build robots?

My goal is to build some educational robot kits for kids and so I'd like to know if there are any LEGO sets that let you build almost anything or can you only can build the specific model that the ...
7
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3answers
596 views

Does a 1x3 Lego technic liftarm with two round holes and one axle socket exist? (for tank suspension usage)

I have been searching for some time for parts like these (with no success): But with two holes (instead of three) and one socket for Lego axles at one side. Likewise two holes (instead of one) and ...
1
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1answer
329 views

How can I fix this gap in the Ghostbusters Firehouse roof?

We built the LEGO 75827 Ghostbusters Firehouse which was good fun. But despite being pretty sure we have all of the pieces where they are supposed to go, there is a gap in the roof: Yet it goes into ...
5
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2answers
1k views

How to best transfer power at 90 degrees for high torque applications

So, I am building a tank model and this is the transmission I have been working on: Description: There are two gear pairs for gearing up (16t to 8t gears) and one gear pair for gearing down (worm ...
8
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1answer
2k views

42042 Crawler Crane: conversion to remote control

After many years of "Lego drought", I have decided to reinvest in some. Amongst a lot I have purchased is a Crawler Crane, half built, with all the parts to complete the build. However, instead of ...
9
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0answers
324 views

Step 160 on Carousel 10257, white hinges not connecting?

I'm struggling with step 160 where I use white "hinge" connectors to connect the carousel platform sections. It seems to create too much pressure and the platform breaks apart. Grateful for any tips.
4
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1answer
208 views

Build-A-Bricks Building Set

When I was a boy - 1940's-50's - I had a plastic building set called, Build-A-Bricks, or some such. It was for modeling brick houses. The pieces were similar to LEGO but larger and there were ...
6
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1answer
503 views

Sharks with frickin’ laser beams attached to their heads

The Lego Movie does not only feature sharks and lasers but also laser sharks: However, a Lego shark only has one place where other pieces can be attached and that’s located on its belly. Hence, I am ...
3
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1answer
185 views

Clutch gear test

I have two white 24t clutch gears, one marked as 2.5-5Ncm and another unmarked - how can I assembled them in a way to test which one "gives" first ) i.e. has torque before it slips - I was thinking to ...
3
votes
1answer
157 views

Why the use of different colors for the inner bricks? [duplicate]

I'm currently building the set 10221 and it's not the first time I notice that the colour of bricks used for the inner parts (parts that aren't visible) of the set are different from the main colour ...
5
votes
2answers
755 views

How big to make a perfect cube? And how to build it

I want to make a model, that involves many cubes. I want to make many individual cubes, then connect them together. I don't want my cubes to be that big. That leads to my first question: What is the ...
52
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5answers
12k views

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

I want to be able to center a 2x2 plate in the middle of a 3x3 plate - specifically to put minifig on. Another option would be to center a 2x1 plate on a 3x1 plate.
5
votes
2answers
506 views

How can I make a spiral staircase with basic blocks at right angles?

Quite simply, how do I make a spiral like a staircase, but with only these blocks? There is also a 8x2 block, but my brother has it. Because it is quite an old set, I need a spiral staircase without ...
8
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5answers
1k views

How can I make my robot heavier?

I'm building a 3kg LEGO EV3 sumo robot and I need to make it as small as possible. Which LEGO items do you recommend to add more weight on it? (tires, plates, wheels, blocks, minifigs etc.)
7
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1answer
372 views

Technic 8858 Rebel Wrecker alternate model impossible to build?

I don't mean "difficult", I mean it appears to have an actually impossible instruction. Or am I missing something obvious? Here's the deal (pardon my lack of standard names for parts): I recently ...
5
votes
1answer
527 views

Brick-built sails for a pirate ship

I am building a Sea-Cow(70810)-like ship that of course needs sails. The sails should be larger than the Technic fairings used in the LEGO movie set, but I want to avoid cloth sails and strings. My ...
13
votes
1answer
975 views

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

I've been working on a MOC and tried using the following configuration of inverted brackets to achieve studs out SNOT 180 in a tight space: As you can see from the photo, this doesn't quite work. I ...
2
votes
1answer
179 views

Advice on where to start

I've seen this (http://petapixel.com/2013/04/12/check-out-this-lego-slr-and-its-lego-camera-strap-and-lego-strobe/) and really want to build it but cannot find instructions anywhere. I can see the ...
3
votes
2answers
18k views

I'm looking for a good LEGO Modeling Program

I've seen people use those programs that model out your own LEGO design so you and others can see how it would look. Can I get a list of a few? Free and safe are preferable. Thanks!
2
votes
3answers
156 views

Need help identifying a couple of Lego sets, grey tank with 4 short legs, and ship with long wings with lime green tiles

Do you recognize either of the below Lego sets? We received them as a hand-me-down gift with no instructions. Thanks for any help!
4
votes
1answer
2k views

How to connect chain links in LDD to make tank tracks

I need help trying to connect chain links (in LDD) around a set of idlers and drive wheels. This is to be used on a tank design, and therefore is not using actual chain. It is using "Chain Link m=1" ...
6
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1answer
240 views

Good “freeware” mosaic creator

I need to know of a decent "freeware" program that can take an image and turn it into a full color mosaic. It also needs to have a part count/listing.
1
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3answers
971 views

What is the largest number of pieces in a set for LEGO, Nanoblock or any other brand?

I recently bought a 6800 piece LOZ Block set (Chinese Nanoblock knockoff). I was wandering if there are sets in any block size or brand that have more pieces than that?
2
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2answers
263 views

How do I robustly tilt a strength-1 wall?

Background I am still working on my model of a ride-on mower, which has a seat that looks like this: As you can see, the seat is mounted onto an inclined surface, which I realised to my satisfaction ...
6
votes
1answer
179 views

How can I emulate this wheel from the mowing unit of a ride-on mower?

I am trying to build a model of a specific ride-on mower with Lego and I cannot find a satisfying solution for the wheels supporting the mowing unit. This is what they look like on the original: ...
7
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2answers
582 views

Articulations : which technique to use on small constructions for sturdiness?

So I have been using LEGO® for a rather long time and over the years, I started going towards small constructions. While doing this, I began building rather small robots (Mobile Frames for those who ...
3
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1answer
1k views

Bag 2, 2011 set, ID 135149

Can anyone identify this bag? It has in it what looks like the grill of a truck, or skis! Blue jacket, fearful face, gray round piece. Mainly black blue and white. 2011 printed on bag.
5
votes
1answer
1k views

Cheapest and Simplest way to build a LEGO Technic car?

Having no LEGO Technic parts at all, I'm looking for the cheapest and simplest way to build a LEGO Technic car which can be combined with two Lego Technic motors to drive forward and backward (phase 1)...
4
votes
1answer
201 views

How to convert a bar into an axle or pin - Using the Axel Hub with Four Bars

I would like to utilize the Axle Hub with 4 Bars (#48723) in a way that the four bars would become axles. What is the most concise way to accomplish that? Here is a diagram of my end goal:
9
votes
1answer
687 views

How to speed up assembly for big LEGO technic sets (e.g. 42043 Mercedes-Benz Arocs)

Is there any ways to help speed up the assembly process when building big LEGO Technic set such as the 42043 Mercedes-Benz Arocs?