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45 votes

Is connecting LEGO studs on Technic pins legal?

The presentation that senior Lego designer Jamie Berard held at Brickcon 2006 and that spawned the entire legal vs illegal discussion can be found here: https://www.hellobricks.com/pdf/jamieberard-...
Michael Verschaeve's user avatar
25 votes
Accepted

How can my daughter turn her horse into a unicorn?

A 1x1 cone with an inverted positioned screwdriver just might work here. So, I'm saying just might based off the the halved cast line of Peggy's head. The base peg of the horn/drill-bit would be too ...
Rin Rio-Oki's user avatar
  • 8,893
18 votes

Can cherries connect to anything?

Yes, "Cherries / Cherry Pair" has 3.18mm connection also known as "bar". This type of connection is in system and is compatible with large variety of elements, including two you ...
Alex's user avatar
  • 23.2k
17 votes
Accepted

What part(s) can I use to connect technic liftarms with modules?

Put two plates between each layer of Technic bricks and the holes will align. This technique was used commonly in studded Technic sets. Here's a page from the instructions for 8042 where you can see ...
Huw Millington's user avatar
15 votes

How can my daughter turn her horse into a unicorn?

If the problem is that the base of the horn is too big to fit in the hole on the chanfron you have to make the former smaller or the latter bigger. Careful work with a file/scalpel, if you're good at ...
BlokeDownThePub's user avatar
14 votes

Technic Pin/Travis Brick Legal Connection?

In general, this sort of connection is illegal, but I think that it works fine with a Travis brick. Technic pins must be "in click" in a model, or the pins will be held in compression and can be ...
jncraton's user avatar
  • 40.6k
13 votes

How can my daughter turn her horse into a unicorn?

A possibility might be using Horse Battle Helmet (unicorn) parts 89524 or 13745: However I'm unsure if those would fit. The head geometry of the horse part in question (93083c01pb08) seems to be ...
IvanSanchez's user avatar
  • 8,888
13 votes

Is connecting LEGO studs on Technic pins legal?

According to LEGO, this type of connection is illegal, since the pin is stressed when connected to an anti-stud and eventually deforms. People's MOCs do not follow same policy as TLG does. So you ...
Alex's user avatar
  • 23.2k
12 votes

How to connect fire to Lord Business' Coffee Mugs?

They might have cheated in the movie, but an old 8 toothed gear fits snugly in the hole.
Pubby's user avatar
  • 5,216
12 votes

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

I suggest using 4175 1x2 plate with ladder together with 3839 1x2 plate with handles SNOTted together with the help of 4070 1x1 brick with headlight, one 2x2 plate and 2 1x2 plates, like so: Yes, the ...
IvanSanchez's user avatar
  • 8,888
12 votes

Technique for connecting a tile vertically next to a brick

Some ideas given the color constraints (all used parts are available in Orange, except those not visible). Perhaps none are very compelling, but they might point you in a different direction. If you'...
Sander De Dycker's user avatar
11 votes
Accepted

How can I mount a Dino head to a wall?

I don't have this particular piece but my advice for most 'non-standard' connections such as these is to use a part that is flexible enough to fit the gap. The 'Technic, Axle Connector Double ...
Ambo100's user avatar
  • 17.6k
11 votes

Technique for connecting a tile vertically next to a brick

Perhaps too straightforward: placing tiles between studs is a legal technique (so are plates by the way if the studs where you insert the plate between are hollow):
Michael Verschaeve's user avatar
10 votes

Searching for a part like 48989 but without the pins

Your updated question mentions axle holes are not an option for your needs, and just pin holes are allowed. There's no LEGO part (I know of) with that exact topology, nor do I see a way of combining ...
Sander De Dycker's user avatar
10 votes
Accepted

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

The canonical way of connecting two pins is using part 62462 "Technic pin connector": Those are shown in step 89 in the instructions of that MOC. I know there are rods that can fit inside ...
IvanSanchez's user avatar
  • 8,888
9 votes

Putting flipped plates together as close as possible

this way it can open and close Blue = 4276 Hinge Plate 1 x 2 with 2 Fingers Yellow = 4275 Hinge Plate 1 x 2 with 3 Fingers LightBlue = Plate 2 x 4 White = Plate 2 x 2 Pink = Plate 1 x 4 Light Bluish ...
Syberion's user avatar
  • 12.6k
9 votes

Plate perpendicular to bottom of square brick/plate: is this connection legal?

To answer your second question: The technique was used by Lego in 1976's set 726 (12v Western train with 2 Wagons and Cowboys), to attach the horse's tail. See page 13 of the instructions:
john_e's user avatar
  • 403
8 votes
Accepted

Is there any way to connect “sideways” to an axle?

I don't think there are any pieces LEGO intends for you to attach to the side of these axle shaped pieces. However, I'm pretty sure you could attach piece 32172 to some extent (assuming the piece ...
Alexander O'Mara's user avatar
7 votes

How can my daughter turn her horse into a unicorn?

Yes, you can drill it. Slowly, by hand. You want to end up with a 1/8 inch bit, but I found it easier to step up using a couple of smaller bits to get there. The bit doesn’t need to go in very far ...
Lcm's user avatar
  • 71
7 votes
Accepted

Harley Davidson chain belt running jolty

Okay, it seems I indeed made a mistake during building, which I solved afterwards: When assembling the rear mudguard, I noticed that the rear wheel had quite a bit more variability in its sideways ...
Rauy's user avatar
  • 1,307
7 votes
Accepted

Putting flipped plates together as close as possible

There is a bit of a challenge with a geometry. LEGO doesn't produce much symmetrical hinges, otherwise they would be out of system. I could think of the following one piece you could achieve a close ...
Alex's user avatar
  • 23.2k
7 votes

Bionicle Tooth: Legal Connection?

In regards to the first element - the ring (outer edge) of the bar that originally keeps a wheel from sliding off is slightly larger than the "bar" element. While this will be enough to keep ...
Alex's user avatar
  • 23.2k
7 votes

Bionicle Tooth: Legal Connection?

The second connection is between a "bar" element and a "technic axle hole". This is used in (yet unreleased) 10305 Lion's Knight Castle. A Brothers-Brick review of the set ...
IvanSanchez's user avatar
  • 8,888
7 votes
Accepted

What is the best way to connect SPIKE prime angular motor to a wheel

TL;DR: Unless you do something quite extreme engineering, any coupling will do just fine and the motor will stall or the tire will slip before even a single axle gets to its limit. The pins have a ...
zovits's user avatar
  • 16.6k
7 votes

Technique for connecting a tile vertically next to a brick

I'll suggest using a 1x1 plate with clip, recessed half a stud by means of a jumper plate: I haven't tested this physically, but I assume that the clip will be under stress since (in this assembly) ...
IvanSanchez's user avatar
  • 8,888
6 votes
Accepted

Combine Duplo feet with regular LEGO

Scientific progress goes OINK! This is an older DUPLO pig from the 70's, and its different design offers us some new possibilities. For example there's a rectangular hole below the neck. Now ...
Uli's user avatar
  • 2,548
6 votes

Combine Duplo feet with regular LEGO

I am still waiting for the bricklink delivery with 27448 tiles that Alex suggested in one comment of his answer. Therefore, I tried a less subtle solution: This is the starting point: A DUPLO pig ...
Metalbeard's user avatar
  • 2,595
6 votes

Technic Pin/Travis Brick Legal Connection?

Although technically the connection is illegal, I don't think the pin is under stress. I remember this set from my childhood, and the "rotor" rotated easily, which would not have been the case if the ...
Michael Verschaeve's user avatar
5 votes

Technic Pin/Travis Brick Legal Connection?

TLG continued to use this technique through at least the mid-90s. The technique appeared in the Cowboy sets 6761: Bandit's Secret Hide-Out and 6765: Gold City Junction to construct turrets.
Mark Dickerson's user avatar
5 votes

Is there any way to connect “sideways” to an axle?

The minifigure spanner can be attached sideways to an axle (as well as a pin and stud): This doesn’t hold in all directions, however.
Wrzlprmft's user avatar
  • 2,174

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