Questions tagged [moc]

In the LEGO community MOC stands for 'My Own Creation'. Use this tag for questions regarding issues with constructing various features beyond simple structures.

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4 votes
1 answer
103 views

Getting started creating LEGO kinetic sculptures

I’m brand new here and fairly new to LEGO. I’m an adult artist who wants to make LEGO-based kinetic sculptures. Can anyone point me in the right direction? My experience is very limited — as a child ...
5 votes
2 answers
275 views

Are there any existing (or upcoming) aftermarket PoweredUp hubs?

I bought the Mindstorms v4 / advanced hub (in set 51515). It's a good set, and the Hub has some great features - notably a rechargeable battery, the ability to run "live" off of USB power, ...
2 votes
1 answer
142 views

Selling a physical build from purchased instructions?

I have been trying to find information on this subject including contacting designers. I have heard as long as you don’t include the instructions in your sale, all is fine as that is the intellectual ...
4 votes
1 answer
448 views

Examples of LEGO Rubber Bands Used For Friction Enclosure?

I'm working on a variant design for a MOC that includes a cover over an open area. The new design is based on a suggestion for a "cookie jar" style design made in another of my questions, LEGO ...
2 votes
1 answer
77 views

Brick, Round Corner and/or Plate, Round Corner with Curved Cutout fitting radius of 88293 - Brick, Round Corner 3 x 3 x 2 Dome Top

I would like to build a rounded edge with 713 - Plate, Round Curved 4 x 8 Right as base and the 88293 - Brick, Round Corner 3 x 3 x 2 Dome Top on top. Are there any rounded corner bricks or rounded ...
7 votes
1 answer
583 views

How can I add 1x4 tile stairs to my octagonal gazebo model?

How can I add 1x4 tile steps to the bottom of the front opening in the gazebo model below? The base of the gazebo is a 10x10 octagonal plate (part 89523). I have tried using wedge and round plates ...
3 votes
2 answers
752 views

How can I build a Lego slope of a rough 50 degree angle with preferably legal building techniques?

I am currently building a functional Lego minifigure-scaled escalator that can transition from flat platforms to stairwell. My first iteration for its guiding rail includes a slope of ~39.5 degree ...
-1 votes
4 answers
224 views

Are there any flat plates with beveled or sharp edges?

I'm currently making a functional minifigure-scaled escalator that ideally move like this. Progress has been made on both the stair slope and staircase design (both respectively pictured below), and ...
5 votes
1 answer
431 views

Can 9V train motors be linked and work together via the top power stud connection?

I'm building a MOC based on the 10219 Maersk Train, but going for the classic track power 9V system given the removal of need for batteries and slowly increasing availability of new 9V parts from ...
5 votes
1 answer
691 views

How do I build my LEGO slope so it connects to the flat top without any notable ridges?

I'm currently building a functional LEGO escalator that is minifigure-scaled and with staircases transitioning from flat platform to stairwell to flat platform. Here's my progress so far: Here's the ...
6 votes
2 answers
2k views

Can one connect two technic pins end-to-end?

Who hasn't tried following some MOC instructions only to discover problems? This TIE Outlander build (free instructions) is neat but has several issues, the biggest of which are steps 44-46. The ...
4 votes
3 answers
1k views

Best Places to show MOC online?

Well, I finally finished one of my projects. Is there a friendly place online where I can post a few pictures of it for people to see?
6 votes
1 answer
366 views

How deep can the axle go in the Powered Up L motor?

I am trying to make a MOC but I can't decide how long the axle could be so it can go fully into the motor but not extending out of the other side. Could you tell me how long the axle can go in?
-1 votes
1 answer
238 views

Are either of these cars uncredited ripoffs from Rebrickable?

I'm no expert in searching Rebrickable, but turning up the minimum block count to over 3300 seriously cuts down on the number of matches. I've tried variations on the names and creative spelling, but ...
9 votes
2 answers
1k views

How can I build a Lego slope of this exact angle with ideally only legal techniques?

I'm currently building a functional Lego escalator that is minifigure-scaled and with staircases transitioning from flat platform to stairwell. Here's my progress so far: But with the design of the ...
4 votes
1 answer
582 views

What is the power of Lego Powered Up motors (M, L, and XL) and the Move Hub motors?

I am trying to build a setup that includes two propellers that can pitch up and down. I am debating whether I should use two motor to power each propeller and the other two to act as servos for each ...
0 votes
1 answer
118 views

How can I build MOCs well [closed]

I want to learn to build MOCs well. Is there any advice or websites/videos that give building advice and techniques for building
11 votes
1 answer
1k views

What is a "MOD" and how does it differ from a "MOC"?

In this imgur post, one of the images is captioned "MODs and MOCs - Ocean Beach, Kingsman Tailor shop, Sanctum Santorum." If a "MOC" is a "My Own Creation," what is (the most commonly used definition ...
8 votes
3 answers
797 views

How tall is the Saturn V set in LEGO units (studs, bricks etc.)?

I'm building a MOC to scale with the Saturn V set and am having trouble figuring out how tall the 1st stage engines are but the entire thing would be really helpful! Thanks!
6 votes
2 answers
268 views

How can I build the windows depicted in this image?

I am trying to figure out the building technique used in these windows. Does anybody know how to achieve those? Unfortunately I do not have pictures of the lower part. Edit: I only want it to look ...
0 votes
2 answers
220 views

Who can make a custom made LEGO 777 airplane?

I work in an advertisement agency and our client wants to make a LEGO custom made airplane branded with their branding to be given to their offices. Is there anyone who can make the instructions and ...
17 votes
2 answers
3k views

Simplest/cheapest way to build a tensegrity model?

My daughter saw some beautiful and interesting tensegrity (tensional integrity) LEGO models on the Internet: and she would like to get one for her birthday. We've got a few Harry Potter LEGO sets at ...
13 votes
3 answers
695 views

In LEGO: How to build a revolving magazine rack for 2x3 tiles?

I've been trying for months to come up with a design or parts for a 4-sided spinning magazine rack, like the old wire-style you would see in book stores. I need it to be fairly stable so I can put in/...
9 votes
3 answers
1k views

MOCs: A question about using LEGO trademark

I recently made a MOC using LEGO bricks that I would like to sell. I know that, since this is my own construction I have the rights to do that, but my question is about the LEGO trademark. I want to ...
3 votes
1 answer
529 views

Linear Actuator Clicking

I have just finished working on a mock-up landing gear deployment mechanism, keeping it as simple as possible of course. However one thing that I cannot seem to get rid of, is the small linear ...
12 votes
1 answer
2k views

Motorized speedboat from Technic Catamaran alternate model?

The alternate model for the 42105 Technic Catamaran set looks a lot like a remote-controlled speedboat. This set doesn't actually come with any motors, or even propellers, so obviously this model isn'...
9 votes
1 answer
1k views

Help in identifying elements used on LEGO Batman movie's Daleks

I've been working on making a replica of the Dalek from LEGO Batman. I've worked my way through this video tutorial and the author identifies some differences between their (awesome) effort and the ...
25 votes
1 answer
4k views

Is it possible to build a working 100% LEGO glider with the Technic Catamaran sails?

In the past I've tried to make working LEGO gliders but since all the LEGO sails were either too small or the wrong shape the only thing that ever kinda worked was using paper over Technic beams (in ...
1 vote
1 answer
84 views

What components can be decorated in LDD?

I was recently working on a UCS Republic Gunship MOC and was wondering what pieces are the best ones to decorate. Meaning, I would like to put in tiles with prints to look like the Republic Insignia ...
18 votes
3 answers
12k 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.
6 votes
1 answer
1k views

Simple way to build large circular plates?

I was wondering if there is a simple way to create a large circle or circular plates. I want to build a MOC of the Hero Factory assembly tower (In LDD first) but most of the pieces that form circles ...
4 votes
0 answers
322 views

Europe based printing services for low quantity high quality custom printed tiles

I've found many websites providing a service for custom printing of LEGO tiles : United Bricks Brick Engraver BrickSanity Fab-Bricks Citizen Brick EclipseGrafX Minifig Madness BrickTactical ... I ...
2 votes
1 answer
184 views

What set is the head in this MOC from?

This MOC uses some kind of armour for the head and possibly the thighs. I thought it was Hero Factory but I couldn’t find it on Bricklink. I would greatly appreciate any help in identifying it!
1 vote
2 answers
136 views

Can anyone ID this set, please?

Has typical City plane tail. Has 2 ADU (Earth Defense) minifigs inside. Cannot find online. Thank you for your help!
2 votes
3 answers
6k views

draw program for LEGO MOC models?

I want to design a MOC digitally. I can do this with ldraw, but are there any drawing programs better than ldraw to make models of LEGO ? kind regards, Peter
0 votes
1 answer
268 views

Help me plan and acquire pieces for my Star Wars MOC?

I wish to build a large LEGO Star Wars MOC. The basic idea I had was a well-fortified Droid factory, protected by a combination of droids, Sith, bounty hunters and Manalorians. And on the other side ...
5 votes
0 answers
740 views

MouldKing set 13132 - Original design, alternate build or cloned MOC?

It seems that Chinese clone brand Mould King will be producing a new set that looks a bit like LEGO's Disney Castle set (71040). It has two times as many parts, however, and unlike LEGO's Disney ...
4 votes
1 answer
451 views

How to power up MOC-0308, based on Technic 8297 Off-Roader?

I have built the following MOC, with details here and here. It is pretty complete, although I would have tried some servo motor for steering. But after I've finished it, I've got into trouble: ...
8 votes
1 answer
147 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 ...
18 votes
4 answers
26k views

Is there a standard scale for building "minifig scale" creations?

I've seen many impressive models built to "minifig scale" (e.g. the enormous USS Harry S. Truman aircraft carrier), but is there a standard (or at least widely adopted) scale e.g. 1:60 that these ...
5 votes
1 answer
537 views

Is this black and red speedboat model from an official set or a MOC?

Please help me: is this from an official set or an MOC?
5 votes
2 answers
925 views

Going from LDraw/LeoCAD to Physical Set

Once I've designed a MOC using either LDraw or LeoCAD where can I go to get the bricks I need to then build that set in the real world? I've been poking around forums for an hour now trying to get ...
6 votes
2 answers
13k views

Tips for getting enough bricks to make a MOC with unified style

In the past, I made MOC's out of my LEGO Star Wars sets. At this point in my life, I don't really want to take those apart for pieces and I'd much rather have them on display. Recently, I have been ...
1 vote
1 answer
1k views

Question about compliance of LEGO videos on Youtube and the new COPPA rules

I make some LEGO videos and post them on Youtube. I'm wondering whether I should flag them as "for kids" or not. Most (if not all) of them are not intended to be specifically for kids, but for all ...
1 vote
4 answers
10k views

MOC planning and design

What tools do you use when planning and designing a new MOC? Pen and paper? Or there is something more advanced? I had the insane idea to try LDD to design my MOC and it was a nightmare. Since my MOC ...
1 vote
3 answers
413 views

LEGO Enclosure Clasp

I'm working on refining my first MOC design for a LEGO dice tower with a landing area that can also be used as storage for dice and possibly some miscellaneous other table-top gaming "goodies". To ...
0 votes
2 answers
290 views

Publishing instructions for MOC based on Lego Technic set

Are there any copyright issues in the case of creating a MOC based on a Lego Technic set, and then publishing my own instruction and/or video for it? Regards, Pavel
3 votes
5 answers
2k views

How can I make Custom Instructions for my MOC?

I'm a huge AFOL and recently have quit my job in order to take my part time job of selling Lego to the next level. However, there's a new venture I'm having difficulty with and I would greatly ...
1 vote
1 answer
3k views

How to MOC the Rough Terrain Crane 42082

I recently got me the Rough Terrain Crane 42082 and had lots of fun while assembling it. I find it a decent Technic build and worth the price. Still I find it under-motorized. I would like to drive ...
32 votes
2 answers
35k views

What does the acronym MOC stand for?

This is a common acronym used in the Lego community - what does MOC mean?