# All Questions

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### Is it unethical to distribute 3D models of Lego bricks?

So say that I use LeoCAD to export some brick models to Blender. Would it be unethical to modify the models in various ways (tris to quads tool, subsurfacing, textures, rigging, etc.) and then ...
1k views

### Are LEGO bricks recyclable?

Yes, I know that it is kind of a dumb question, as no one would want to dispose of LEGO bricks. But it's a curiosity thing: are Lego bricks recyclable?
1k views

### How accurate is the ultrasound sensor when moving?

Can I use an ultrasound sensor while the Robot is moving, or will it give bad data?
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### NXT motor power accuracy

When turning the motors, how precise is the speed parameter? I am programming in the NXC language (standard firmware) and wishing to know how many decimal points will be taken, if any, and whether the ...
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### Where and when did the straight block letter LEGO logo appear on brick studs?

The LEGO logo that appears on the tops of brick studs has had several styles over the years. In the US, when Samsonite began manufacturing LEGO bricks, they apparently made some alterations to some of ...
2k views

### Is it possible to build Lego bricks with a makerbot replicator 3D print?

Is it possible for plates, tiles or small pieces ? Is it possible to use MLCAD with a Makerbot replicator ? Thanks
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### What is the difference between train motors 88002 and 10153?

I want to motorize my Santa Fe Super Chief. Its original instruction mentions 5300 but it's marked obsolete on BS.com and now re-released as 10153. In the same time 88002 costs few times less, e.g. ...
276 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 ...
278 views

### Can I use two ultrasound sensors at a time?

Is there a way to use two ultrasound sensors on a Mindstorms NXT without them interfering with each other?
195 views

### What is the name of the Technic pieces that snap together to make a track?

We have these little black Technic pieces that connect together; they make a track that fits over the gears (sort of like wheeled-belt-track on excavators or tank track). Can you tell me the name of ...
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### Is there a way to draw LEGO figures using Blender?

I have some basic experience in Blender. Is there any way to insert pre-drawn LEGO pieces into Blender?
2k views

### Looking for a site with custom instructions

I'm looking for a website that has some cool custom model instructions. I have a LEGO store near me and I'm able to buy pieces individually. I'm looking for more of a sci-fi ship kind of instructions. ...
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### What sites are available to sell original boxes?

A couple of years ago, I stumbled across a site (not Ebay) where LEGO fans buy and sell items. I have some large boxes for various sets to sell. All my son's LEGO collection is in plastic boxes, and ...
115 views

### Do LDraw files describe models, bricks, or both?

Sorry if this is kind of a dumb question, but do LDraw files describe models (with translation and rotation values with references to bricks contained in other files), or do they describe the bricks ...
132 views

### Is it possible to display large text on an NXT using LabVIEW?

In RoboLab and using RobotC, it's possible to write LARGE text to the screen of the NXT. In RoboLab, this can be done by just typing [\big] at the beginning of a string constant which is wired into a ...
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### What are the new elements released via the LEGO Friends sets?

What new elements did the release of the Friends sets add to the LEGO element parts palette?
465 views

### How can I catalog my LEGO pieces?

I have a fairly large LEGO collection, but not large enough that I can build anything and everything, given instructions. It's already organized quite well, but how can I catalog the pieces I have so ...
355 views

### Are these trees LEGO parts?

I've come across some trees from some bulk purchases I've made, and I can not determine if these are LEGO or "compatible" parts. Any ideas? The tree on the left is an official tree but the one in the ...
932 views

### What was wrong with monorails?

From this answer: Then there's the whole problem of parts which are simply not in production any longer, and for which the cost of reproducing them would offset the potential benefits of reissuing ...
375 views

### Why doesn't LEGO bring back old series as they were “in the day”

As many of you probably can tell, LEGO has been rehashing old series and giving them a new twist (eg. Rock Raiders -> Power Miners, or whatever its called). Why doesn't LEGO actually make some of ...
2k views

### What is the average price per piece?

Some LEGO pieces are probably more expensive than others, but what is the average price per piece of LEGO pieces, when sold as part of a kit? Is there any place containing statistics or graphs about ...
1k views

### Can I control 2 NXT bricks from a computer using bluetooth at the same time?

I am thinking about starting a project involving controlling the movement of a mindstorms robot depending on some input from a Kinect device; however the robot will require at least 6 motors. I have ...
158 views

### What part is this grey keyhole shape and what set(s) is it from?

I've recently found this grey keyhole-shaped piece - there are a fair number of them that stack together to form a circular staircase. There is what looks like a part number on the bottom but it is ...
126 views

### How should I remove a Hinge Tile, especially in the middle of a plate?

I've recently had some trouble removing a 1x4 hinge tile from the middle of a plate: Even when they are on the edge of the plate there isn't a lot of areas you can use to gain the traction to ...
48 views

### Can you use four movement bricks on one NXT? [duplicate]

Possible Duplicate: How can I use more than three motors with one NXT brick? I want to make a tank out but it needs 4 movement bricks but I only have one NXT. Here are the parts: It can ...
250 views

### How versatile are the parts in a lego pirate ship set?

I am looking at buying one of the pirate ship sets, such as 6285-1: Black Seas Barracuda, however, I am concerned the parts in the set are too specialized, and could not be easily adapted to make ...
354 views

### Why are they called “minifigs?”

Were larger-scale LEGO figures the standard at some point in the past? It just seems odd to me that they're called "mini" when they're basically the only kind of LEGO figures available (not counting ...
471 views

### What range of parts do LEGO Stores offer, or is it just sets and games?

I've seen these pictures of LEGO stores but have been unable to work out if they are plastic bubbles on the wall that you can dig you hand into and buy lego bricks in bulk, or is just for decoration. ...
4k views

### Is it possible to buy a bulk of 1000s of basic bricks (mostly 2x4)?

Several years ago I remember being able to walk into toy shops and actually shovel lego bricks into a bag and thus buy them in bulk. Unfortunately I can't seem to find stores anymore that offer this ...