Questions tagged [building]

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

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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.
Paeton Wooden's user avatar
5 votes
1 answer
2k 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)...
mosquito87's user avatar
3 votes
1 answer
293 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:
Hagelt18's user avatar
  • 133
8 votes
1 answer
1k 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?
user275517's user avatar
5 votes
1 answer
269 views

Working with Curved Bricks

I'm hoping to stack curved bricks. There are two slots along the edge to allow the bricks to be set on plates. These become unsightly when the bricks are stacked atop each other. Has anyone seen any ...
user7424's user avatar
4 votes
1 answer
5k views

How best to plan and design a custom LEGO creation?

I'm curious how best to proceed with my own creations. I have several ideas that I want to take a stab at implementing but know I probably don't have the all bricks I need. I am not new to LEGO, but I ...
Kevin Babcock's user avatar
6 votes
3 answers
6k views

Cutting a LEGO baseplate

I have a regular LEGO baseplate that I'd like to shave down to fit into a car travel kit. Does anyone have experiencing cutting a baseplate? I'd love tips on tools or technique!
Rachel Quick's user avatar
12 votes
2 answers
2k views

What are good books for building techniques of LEGO Technic

I've been searching for good resources for especially LEGO Technic. I find the Unofficial LEGO Technic Builder's Guide by Paweł “Sariel” Kmieć. The book is very good at explaining things. Beside that ...
Sencer Alfonzo Gomestai's user avatar
0 votes
1 answer
75 views

Purchase of large blocks in South Africa

I have thousand's of small-single, two and four blocks but sometimes need to build larger structures and thus, would like to know were in South Africa I can purchase these larger blocks without all ...
Leonard's user avatar
3 votes
0 answers
174 views

Challenge: A good, swift kick

Hey everyone, this is Bricks.SE's first challenge question! Context: On other sites, you sometimes see a question made specifically for the purposes of getting a lot of good ideas, the checkmark given ...
user avatar
10 votes
5 answers
1k views

How to make a regular pentagon from technic bricks

For the purposes of this build, we need a pentagon (figure with 5 sides), that is regular (all sides have equal length), and it needs to be able to be mounted on a build (like a wreath) by a technic-...
user avatar
9 votes
1 answer
1k views

What part(s) can I use to connect modules at a 90 degree angle?

I'm looking for brainstorming! All ideas welcome. I have a design I'm working on which: is made of a bunch of identical modules fitting into a single framework has to allow the modules to "plug in" ...
MonkeyWidget's user avatar
20 votes
6 answers
4k views

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

I have these piling up around my LEGO corner: Any suggestions for creative uses? Especially multiple?
mostlyWright's user avatar
1 vote
0 answers
97 views

Temp Glue for LEGO [duplicate]

We have a Train Station Set, but this built is so loose and comes apart so easily thus it is really hard to move/play/connect to other parts. Is there some product like temporary LEGO glue to stick ...
digit plumber's user avatar
2 votes
1 answer
733 views

Cheapest set containing electric motor

Which LEGO set is the cheapest I can buy in a store with an electric motor in it?
FingeNB's user avatar
  • 269
6 votes
2 answers
17k views

What is the best way to rebuild Lego sets?

My six year old son loves to build with LEGO bricks and has quite a few LEGO sets. Over time they have been disassembled, so we decided to try to rebuild some of them. We have the original ...
FingeNB's user avatar
  • 269
2 votes
2 answers
6k views

Age recommendations explained? [duplicate]

Can you explain the rationale behind age recommendations for various Lego products? For example, what makes a 4-7 rating different from a 6-8? Is it unreasonable to buy a set labelled 12+ for my very ...
mamamia's user avatar
  • 21
-1 votes
2 answers
3k views

Why do LEGO sets have a minium age rating? [closed]

Many LEGO sets have minimum age ratings, such as 7-12, 9-14, and 16+. Why is this? Are the models really that different in terms of complexity? Also, why does LEGO often indicate that sets are not ...
I'm so excited's user avatar
18 votes
5 answers
123k views

What is the quality of LEGO replicas on Aliexpress?

Aliexpress sells a lot of LEGO replicas, has anyone here bought one? I am wanting to know how the quality compares to LEGO? Example products: https://www.aliexpress.com/wholesale?catId=0&...
Dariusz Sikorski's user avatar
4 votes
1 answer
556 views

Overview of Engineering Principles incorporated in Technic LEGO sets

I run an after-school technology education program and want to expose kids to real-life engineering by means of having them build commercially available Technic kits which we then deconstruct and ...
Phil B.'s user avatar
  • 16.9k
4 votes
1 answer
516 views

Any issues with this non-standard gear combination of 12t gears?

I don't see any "accepted" gear ratios for a stud-less direct-diagonal gear combination on sariel's excellent gear coupler but by shifting 12t gears such that they mesh off-center, it seems to work (...
user2813274's user avatar
  • 1,156
6 votes
1 answer
676 views

Which combination has a lower gear friction?

I need roughly a 1:3 reduction and I see a couple of ways to achieve it: using a 8t gear and a 24t gear (1:3) using 2x 12t gears and 2x 20t gears (1:2.779) using a 16t gear and a 40t gear (1:2.5) ...
user2813274's user avatar
  • 1,156
5 votes
2 answers
6k views

How important is a center differential on a 4WD model?

I am looking to make a 4WD, single-engine powered vehicle, and I have seen others such as this which use three differentials to distribute the power to all 4 wheels: http://www.eurobricks.com/forum/...
user2813274's user avatar
  • 1,156
3 votes
2 answers
2k views

How to design ackermann steering with lego wheel bearing front?

I wanted to use a steering system based on the 11949 part: But I am not sure how to use it in an ackermann system - I would like to be able to have drive and suspension on the wheel, and this piece ...
user2813274's user avatar
  • 1,156
11 votes
8 answers
10k views

What will happen if I submerge LEGO in water?

I'm thinking of using real water in my LEGO City and putting the Atlantis and deep sea exploration sets at the bottom of the tub of water, but I don't know what will happen to LEGO when put in water. ...
DatLegoguy7's user avatar
5 votes
1 answer
642 views

My building is developing gaps and spaces

I am building a large project, and there are spaces developing between bricks and plates. I've been working on it for almost a year, and some places are 20+ bricks high. What can cause this over time? ...
LegoPatient's user avatar
5 votes
2 answers
653 views

Large trap door - alternative to door with frame 4595708

I need to build a large trap door, the trap door 4x5 with frame 6x8 is too small for my model. Other doors/hinges seem to have too much resistance and the door doesn't fall by itself, it must be ...
Ana's user avatar
  • 53
5 votes
2 answers
2k views

Strongest LEGO structure - (2) Floor

What is the strongest LEGO box structure? I am going to build a LEGO computer case. Different from Mike Schropp and greenyouse, I am planing to build an upright case. (This is a general "strongest ...
midnite's user avatar
  • 265
8 votes
3 answers
3k views

Strongest LEGO structuce - (1) Pillars

What is the strongest LEGO structure? I am going to build a LEGO computer case. Different from Mike Schropp and greenyouse, I am planing to build an upright case. (This is a general "strongest LEGO ...
midnite's user avatar
  • 265
8 votes
2 answers
4k views

How to build a limited slip differential?

Lego provides a couple of ways for building a differential, such as this: and also provides a limited-slip gear like this: http://www.brickowl.com/catalog/lego-technic-differential-with-one-gear-28-...
user2813274's user avatar
  • 1,156
3 votes
2 answers
635 views

What is the best way to create an authentic weatherboard wall?

I am working on a house where I want to create a weatherboard look for the outside walls. I'm not certain the best way to go about this. Currently I'm using the horizontal side of a 1x2 profile ...
Stephen's user avatar
  • 131
4 votes
1 answer
651 views

How do you eliminate the gap between castle doors?

I'm building a MOC castle and want to use a pair of 1x5x7 and 1/2 stockade doors. My problem: I can't get the doors to fit flush. Either there's a 1/8 to 1/4 inch gap between them, or they overlap. ...
Mike Dowal's user avatar
7 votes
3 answers
7k views

Does knolling help or is it just part of the fun?

When building a new set, many people knoll their LEGO bricks before beginning the assembly. My question is: Is there a actual advantage to knolling all the pieces or is it only a way to stretch the ...
pcantin's user avatar
  • 13.5k
1 vote
1 answer
240 views

Issues with set 10234 book 3 pg 43

The white wing-like piece continues to pop off when placed. Has anyone figured out a fix for this or am I doing something wrong Instructions 3 & 4: src: http://lego.brickinstructions.com/10000/...
Grant's user avatar
  • 11
-2 votes
1 answer
772 views

Way to build LEGO spaceship with regular bricks [closed]

How do I build a spaceship without buying a spaceship set? With a limited amount of bricks, like, say 300 2x4, 100 2x2, and about 20 2x1 bricks. I'm looking for instructions.
Mithical's user avatar
  • 111
3 votes
1 answer
315 views

How to fix a broken LEGO Star Wars Corellian Defender set

I was playing with my Corellian Defender which took me up to 4 days to build. It broke unfortunately and I am very sad since I love it very much. I need some tips to rebuild it back.
Jeff's user avatar
  • 39
11 votes
1 answer
916 views

Lego Escher structures

How are these done? Is it trick photography? With some kind of giveaway background it should be obvious, but I notice they are not us telling that.
JMP's user avatar
  • 273
12 votes
4 answers
14k views

Are BanBao bricks compatible with Lego?

Does anyone has experience with BanBao bricks? BanBao World Are they compatible with Lego bricks? They have basic sets and plates which are at a good price.
Dimitri Dewaele's user avatar
7 votes
1 answer
231 views

What is the best system for lifting things without pistons?

I am building a big walker thing. It has a mining laser at the bottom that can be lifted on one half, and the other is attached to the vehicle. However, I can't seem to find a way, because the hooks ...
vorchin's user avatar
  • 119
6 votes
3 answers
1k views

Is there a way to set a flat plane at an angle to horizontal of less than 22.5 degrees, but more than 0?

I am building an airplane with a wing dihedral (the wings angle upwards from the fuselage), but I am using parts 44302 and 44301 interlocked as designed: Unfortunately, one click up is about 22.5 ...
SSumner's user avatar
  • 161
15 votes
5 answers
900 views

What's the most effective way to align 1x1 tiles?

There are a number of sets (e.g., the Farnsworth House and the Parisian Restaurant) that use a field of 1x1 tiles to represent a tiled floor. I have found aligning these pieces such that they are all ...
oddTodd's user avatar
  • 2,878
2 votes
1 answer
902 views

Can I download ldraw instructions from Lego Digital Designer?

Can I download ldraw instructions from Lego Digital Designer? Is there a collection of simple examples for my youngsters. I was thinking of: houses, small animals, simple airplane, simple car, tree, ....
Dimitri Dewaele's user avatar
4 votes
2 answers
632 views

Where can I find LDraw files to download for basic figures?

I would like to have a collection of simple examples for my youngsters. Only for basic LEGO bricks. Not Technics or complex and complete space stations, just some step-by-step instructions for the ...
Dimitri Dewaele's user avatar
1 vote
1 answer
321 views

Some LEGO elements not attaching as usual

I am building a tank made of purely normal LEGO elements, which means no gears or axles or that type of stuff. I am trying to attach a 6x6 LEGO plate onto the base for support, but it is not working....
Anthony Pham's user avatar
3 votes
1 answer
105 views

Variable stick lengths and angles at nodes of building bricks

Is it possible to build 3D toys connecting several LEGO Bricks sticks/rods to make polyhedrons? Lengths and angles between sticks should be variable.
Narasimham's user avatar
7 votes
1 answer
2k views

Building a 45 degree brace

I'm trying to reproduce my own house in Lego, and attached is a photo of the porch above my front door that is supported by a 45 degree wooden brace: At my current scale, the vertical white wood with ...
Ben's user avatar
  • 225
9 votes
2 answers
1k views

How is this brick attached to the pregnant minifig?

While Google-image-searching pregnant minifigs (don't ask) I came across this fig, and other variations on it, but I can't figure out how the 2x2 round brick is attached.
Mr. Shiny and New 安宇's user avatar
4 votes
2 answers
512 views

Question about a Lego Compatible brand with "B L" logo

My son has a small orange and grey space ship building set. It has two astronauts with it. The logo on the bricks shows the letters "B L" on them. We're trying to find instructions online so that he ...
Mrs. Morton's user avatar
8 votes
4 answers
4k 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 ...
Caters's user avatar
  • 181
4 votes
2 answers
952 views

Creating ski gondolas/tramway with Duplos

I've got a three year old who just came home from a ski vacation where he was enamored with the gondolas (like below). I want to make one with Duplos for him. I'm most of the way there, but have a ...
Joe's user avatar
  • 183

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