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

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2
votes
1answer
163 views

Using motors to ring a bell?

I would like to create a motor set up so I can use it to ring a bell inside a small tower. Since I haven't used any of the current LEGO motors was wondering what the group would suggest. which ...
3
votes
1answer
379 views

Strongest Lego beam

In the Lego house episode of James May's Toy Stories, the engineers built the beams with studs facing upwards: around 9.5 mins into http://youtube.com/watch?v=mEFPhXl3QQY How much stronger would it ...
5
votes
2answers
335 views

Does anyone make a self-driving car?

Mapping and localization are the hottest trends in robotics today. And what's more exciting is they can be both implemented with a low-cost robotics kit like LEGO Mindstorms! I tried to make a ...
4
votes
1answer
365 views

How to build a car that stops at a certain distance?

I want to build a small car that is about 200 grams. I want it to run the following course and stop at exactly or about the the finish line. I can't use any controlling devices or electronics. I've ...
10
votes
2answers
829 views

How do you construct odd-angles on buildings

I was thinking of building a model of the famous Castillo de San Marco located in Saint Augustine, Florida. A small bit of research shows that Legoland has a replica (flickr link) and that there are ...
3
votes
1answer
173 views

Part assortments for creative building

I've been shifting away from collecting sets to doing more MOC building. I also recently moved and I'd like to reduce the overall size of my LEGO collection. I'm trying to decide which parts I'd like ...
4
votes
2answers
343 views

Technique for multifacteted roof without 3049

I'm working on a project with a fairly complex roof in Dark Bley. In many areas, it seems to be necessary to use part 3049: Unfortunately, this part doesn't appear to have ever been released in ...
0
votes
0answers
49 views

How tall is a standard LEGO minifigure? [duplicate]

Sometimes I build towns of LEGO buildings, and occasionally the minifigures will get stuck in a low roof or underhang (pun intended). Does anyone know the height of a standard LEGO person in bricks as ...
1
vote
1answer
251 views

Has anyone just “built a tower”?

I've heard stories about it, but has anyone simply built a "tower" out of lego pieces and bricks? By a tower I mean lots of bricks on top of each other.
8
votes
2answers
367 views

Parts in Lego Set

I am building an inventory of all my Lego pieces and I am looking for a website that can give the pieces in a set with only the set number. It would be easier if there was information for many Lego ...
6
votes
2answers
4k views

Alternative builds with Star Wars LEGO sets

I currently own these LEGO Star Wars sets: LEGO Star Wars X-Wing Starfighter 9493 LEGO Star Wars Millennium Falcon 7965 LEGO Star Wars Tie Fighter 9492 LEGO Star Wars Emperor Palpatine's Shuttle ...
7
votes
2answers
425 views

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

Is there a way to connect the two beams in this angle and still keep the connection strong and keep the rotation the same?
2
votes
0answers
231 views

Ideas for large NXT projects [closed]

I currently have 6 NXT sets. Can anyone think of some large scale projects that I could attempt using most of the NXT bricks and pieces together?
5
votes
1answer
371 views

How should I connect two LEGO cylinders with pistons to measure the movement caused by sea waves?

As part of a school project I need to make a model of a snake electricity generator. I would like to build this with LEGO elements, and for that, I need to measure the movements of the cylinders ...
12
votes
3answers
560 views

What are the essential resources for learning the fundamentals of LEGO building?

After years of buying and building LEGO sets, my six-year-old son is tearing through the first level of the Master Builder Academy. He's fascinated by micro-building, and generally seems liberated ...
5
votes
1answer
688 views

Best sensor for balancing inverted pendulum

I want to build a balancer for an inverted pendulum. Which of the following sensors is best suited for detecting the tilt? Accelerometer Gyroscope Angle sensor
10
votes
2answers
270 views

What element modifications are incorporated by the LEGOLAND builders?

I know they glue their sculptures together, and sometimes support them with an inner frame. Is that the limit to their element modifications, or are there more tricks to the awesome LEGOLAND builds on ...
11
votes
1answer
1k views

What is the best-practice for circular lego staircase construction?

Aside from using the grey key-hole shapes, I'm looking for a Lego-standard or best-practice method for building a circular Lego staircase? Requirements: 6-8 studs "wide" (from the center to outer ...
10
votes
1answer
2k views

What would be a simple trebuchet design at the Minifigure scale?

I would like to have a trebuchet design at the Minifigure scale and simple enough for kids 10+ to build. Note 1: The counter weight can be any non-LEGO heavy object. Note 2: On top of the standard ...
11
votes
2answers
582 views

Is there a way to build a stronger LEGO ball than what was done by the Mythbusters?

In one episode, the Mythbusters busted a fake video by building a 7' tall LEGO ball. The construction did not roll very far before falling apart. Assuming that they only used standard bricks (with ...
13
votes
1answer
683 views

How is the corner on Azuma Makoto's LEGO bonsai tree done?

I'm looking at doing my own version of Azuma Makoto's bonsai. I know it will probably not be a 100th as good, but I want to try anyway. The first step is obviously building a similar base but I'm ...
8
votes
1answer
343 views

Mechanical auto-unblocking mechanism

I have a GBC module1 which is quite simple but blocks regularly because a ball happens to be at just the wrong place at the wrong moment. Per se, it's not a problem as a Technic Gear 24 Tooth Clutch ...
5
votes
3answers
243 views

What is the official term used for building MOC models?

I know that MOC means "my own creation" as noted here. What I would like to know is do you call the actual act of creating a MOC, "MOC building", or is there another official term? I wanted to build ...
10
votes
3answers
493 views

Tools to aid in getting parts from tight spots?

As a builder of some semi large scale projects. I find that I can't always get that dropped part because my arm is either not long enough. Or my hand is too big to reach in and get it. Anyone have any ...
2
votes
2answers
3k views

Frame Rate recommended for Stop Motion?

I do Stop Motion with Legos, (LEGOs are just great for SMA,) and I was wondering (because you guys are the pros), what frame rate per second, (fps) oyu guys would recommend. I use 15, and ...
15
votes
2answers
2k views

Building a full-size lamp using Lego bricks

On an episode of the TV show 'Home by Novogratz' they featured a real, working lamp that was made out of Lego bricks. More specifically, the creator surrounded an existing lamp with the bricks, ...
8
votes
2answers
2k views

Homemade methods for interfacing a Servo with LEGO bricks

I'm looking for non-destructive way to structurally attach a standard servo with LEGO bricks. I'm interested in answers for either Large, Medium or Small size servos. I'm using LEGO ...
6
votes
1answer
304 views

Is there a documented process in 'Jamming' an NXT Ultrasonic sensor?

Just trying to gather a bit of information for a competition between a few other NXT builds, I was wondering if there was a way to make the ultrasonic sensor completely useless for the competition as ...
6
votes
2answers
516 views

How can I make a Lego heroica scale gladiator arena?

Sorry all my questions are about heroica, but this needs to be easy so that I can build in a few mins. I will make gladiator micro figures as well, if someone can make a Lion too!
3
votes
1answer
699 views

how to build a diorama [closed]

I have almost all the items from the Lego Castle Fantasy set, and I would like to build a nice full Lego diorama, but I have no clue on where to start. Do you know if there is a tutorial on how to ...
10
votes
1answer
989 views

How much does a life sized LEGO person sculpture weigh?

Generally, how many pounds of LEGO would it take to make a life sized person sculpture? Do they weigh anywhere near the same as the real person they are modeled after?
4
votes
3answers
604 views

Which type of LEGO bricks would be compatible with the Mega Bloks Blind Bag Figures?

My husband collects the Marvel figures which come in the Mega Bloks blind bags. His birthday is coming up and I'd like to build him a display for his Marvel figures. I'd strongly prefer to use LEGO in ...
9
votes
2answers
3k views

Good LEGO CAD Design Software with Technic elements and animation

I'm taking computer engineering in Gr. 11 right now and our final project is to create a robot with the first version of Mindstorms. My partner and I are making a sumo robot for the class competition. ...
10
votes
2answers
353 views

How can I add additional detail to large walls?

I've seen some rather impressive castle builds over the years, and with the release of Helm's Deep I'm clearly going to be building a few myself now. As this set uses the LEGO sticker sheet to add ...
5
votes
1answer
183 views

Measurements (LDU) of Lego tracks Set 151

I have an old set of 7851 curved tracks. I want to use the outer tracks (the ones with the bumpy surface). If I was to put one end down on a baseboard so that is tangent/parallel with the grid of ...
10
votes
2answers
857 views

Is it possible to build a full-size house with Lego bricks?

I want to build something big. Should* I build a complete house (interior and everything) with lego bricks? * By "should" I mean, will it be safe? How big can I go? How much do you think it will ...
2
votes
2answers
236 views

How can I make a pigglet headed LEGO figure to be a sidekick for my Gadget Hero?

I have a LEGO superhero that I painted, and he needs a sidekick. The Sidekick is a boy who has the head of a pigglet! But how do I make a Pigglet head?!?
5
votes
1answer
268 views

Access hatch in a wall?

Working on a 10 stud by 10 stud Square bell tower for my annual project. Need to create a access panel/door. Any tricks that can be done so it's hidden or at least not easily noticed? I need to hide ...
1
vote
0answers
76 views

What is the best way to preserve a LEGO model after it has been built? [duplicate]

Possible Duplicates: How can I store LEGO bricks as long as possible? How do you store your built models for long term display? I want to preserve my sons LEGO ships after they are built. ...
4
votes
1answer
402 views

How can I make a LEGO heroica scale fountain of youth using bricks from Fortaan or Waldurk?

I have started collecting heroica and I thought "wouldn't a fountain of youth be superb!" but I only have Fortaan and Waldurk... any ideas?
10
votes
2answers
430 views

What is the most compact way to make a flat six pointed star in LEGO?

I spend a lot of time building in Micro scale (I maintain the Micropolis collaboration standard) and my partner is trying to figure out how to build the most compact, or smallest, six pointed star ...
8
votes
3answers
602 views

Which Duplo bricks have practical uses in System building?

Traditional 2x4 and 2x2 Duplo bricks can be used to bulk out models and provide a structural support for landscapes, but have there been any other uses for Duplo bricks of all shapes and sizes in ...
10
votes
3answers
5k views

How can I build a LEGO heart?

In the spirit of Valentine's Day... How can I build a two-dimensional LEGO heart? Here is an example of the shape I'm looking for. Perhaps the model should be built from the bottom upward? I would ...
4
votes
1answer
141 views

Are there any theoretical works about possiblity of self-replication of LEGO systems?

Are there any theoretical works about possiblity of self-replication of LEGO systems? (constraints on the size etc., computer simulations) Here are some relevent links: Bartlab.org: PDF Document ...
11
votes
1answer
1k views

Making a hexagon with plates

Do any of the wedge/wing shaped plates have the right angle to make a true hexagon or equilateral triangle? If not, is there any way to make a regular hexagon using plates? (I know they can be ...
30
votes
13answers
51k views

What glue should I use for permanent LEGO construction?

The incredible precision of LEGO parts makes them attractive for building precise jigs, but the fact that they can come apart fairly easily isn't so helpful for this application. Can anyone recommend ...
6
votes
4answers
749 views

What LEGO wheels would look like the three types used on the JPL Mars Rovers?

I would like to build the three types of JPL Mars rovers (Sojourner, MER and MSL) with the right size ratio relative to each other. For that, finding the right wheels would be the hardest thing. I ...
7
votes
3answers
840 views

Can you build accurate models using 100% LEGO elements by following Megablocks instructions?

I shudder when I find errant MegaBloks in my LEGO elements, but admit to admiring certain in-the-box models offered by them. I know the pictures depicted on the MB boxes are not actually photos of a ...
27
votes
4answers
5k views

How do I build a curved wall?

On my latest MOC I want to build a round tower. This is a minifig-scale build, and the tower is going to have a diameter of about 20/30 studs. How should I go about building the "curved" wall of the ...
10
votes
3answers
418 views

What is the easiest technique for large builds?

I recently acquired the Space Shuttle set, #10231, and find that it isn't a staged build--one with sequential bags. This leaves me at a bit of a loss over how to organize and search through 1200+ ...