Questions tagged [building]

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

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How can I firmly attach a Technic triangle to a turntable?

I found a couple good technic triangle designs over on brickengineer.com. For example: How can I firmly attach a triangle to a large turntable? Details: Really I only need to attach ...
MindS1's user avatar
  • 1,372
2 votes
1 answer
494 views

Extra pieces in 76112 Batmobile

I've been building the new app-controlled Batmobile. As far as I can tell, step 34 shows many more elements in the parts list than are actually used in the build. What is going on here?
jncraton's user avatar
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2 votes
1 answer
104 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:
just.polka's user avatar
2 votes
2 answers
302 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?
Tibor Hollmann's user avatar
6 votes
3 answers
343 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'...
chicks's user avatar
  • 5,275
6 votes
1 answer
544 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, ...
prusswan's user avatar
  • 185
6 votes
2 answers
791 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 ...
Philosopher7's user avatar
1 vote
1 answer
214 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 ...
Philosopher7's user avatar
13 votes
2 answers
798 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 ...
Mołot's user avatar
  • 1,409
4 votes
1 answer
257 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 ...
Metalbeard's user avatar
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9 votes
1 answer
2k 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 ...
Chris Wilson's user avatar
11 votes
3 answers
2k views

Problem with "warping" of LEGO water

I was trying to imitate the cool water technique of Legopard on MOCpages. Sadly, I found that when I did it on a large scale (about 46x46 pegs), the water tends to warp upward in the transverse ...
Thomas's user avatar
  • 233
4 votes
1 answer
285 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 ...
Mołot's user avatar
  • 1,409
3 votes
1 answer
113 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'...
Peter Turner's user avatar
8 votes
1 answer
148 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 ...
user1876058's user avatar
10 votes
2 answers
502 views

How are these transparent stairs made?

What techniques and bricks are used to support the transparent pieces? Can anyone work it out?
tipsandbricks's user avatar
7 votes
1 answer
293 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 ...
posfan12's user avatar
  • 263
4 votes
2 answers
1k 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 ...
Jonas's user avatar
  • 41
4 votes
2 answers
1k 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, ...
Alexander O'Mara's user avatar
10 votes
2 answers
2k 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 ...
Ambo100's user avatar
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9 votes
1 answer
794 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 ...
jncraton's user avatar
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2 votes
2 answers
207 views

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

What does this build? Can anyone help me with the instructions link?
user avatar
2 votes
1 answer
560 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 ...
WDR's user avatar
  • 195
8 votes
3 answers
1k 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 ...
general molotof's user avatar
1 vote
1 answer
434 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 ...
chicks's user avatar
  • 5,275
5 votes
2 answers
3k 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 ...
general molotof's user avatar
8 votes
1 answer
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 ...
Greggk9's user avatar
  • 81
13 votes
2 answers
692 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.
Jay's user avatar
  • 139
6 votes
3 answers
4k views

Is there a 90 degree angle brick?

Is there a brick that I can use to connect LEGO plates at a 90 degree angle?
Erin's user avatar
  • 61
5 votes
1 answer
440 views

Any cheap Technic sets with a good variety of parts?

I want to start building a module like GBC Miniloop 01, but when I check the part list some are very hard to find. How should I get started with miniloops? BTW, I got a very big set, Bucket Wheel ...
hxd1011's user avatar
  • 235
4 votes
1 answer
352 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 ...
Alfred's user avatar
  • 41
6 votes
1 answer
921 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 ...
Wrzlprmft's user avatar
  • 2,174
3 votes
1 answer
283 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 ...
user2813274's user avatar
  • 1,156
3 votes
1 answer
193 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 ...
Joao Carvalho's user avatar
5 votes
2 answers
1k 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 ...
Xetrov's user avatar
  • 263
53 votes
5 answers
14k 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.
oconnor0's user avatar
  • 675
5 votes
2 answers
661 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 ...
Xetrov's user avatar
  • 263
8 votes
5 answers
2k 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.)
Ants Aus's user avatar
9 votes
1 answer
483 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 ...
Chris N's user avatar
  • 191
8 votes
2 answers
976 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 ...
Metalbeard's user avatar
  • 2,585
14 votes
1 answer
2k 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 ...
jncraton's user avatar
  • 40.6k
2 votes
1 answer
231 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 ...
James's user avatar
  • 23
5 votes
2 answers
22k 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!
TacoMageCat's user avatar
2 votes
3 answers
199 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!
Chris's user avatar
  • 123
4 votes
1 answer
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" ...
GipsyD's user avatar
  • 503
7 votes
2 answers
390 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.
JM Kraemer's user avatar
2 votes
8 answers
2k views

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

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 wondering if there are sets in ...
user2765977's user avatar
3 votes
2 answers
298 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 ...
Wrzlprmft's user avatar
  • 2,174
5 votes
1 answer
205 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: ...
Wrzlprmft's user avatar
  • 2,174
6 votes
3 answers
689 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 ...
z3r0's user avatar
  • 161

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