I tried this out recently with the new road plates. Because the new system is composed of proper plates with connection points on the underside, this is fairly simple to do. It really comes down to selecting parts that can allow the road to be held in place securely at an appropriate angle.
Here's what I did using plates with clips and handles:
If you were ...
Swooshable has a great collection of SNOT (studs not on top) and advanced techniques, it is probably the closest thing you will get to an online catalogue.
They seem to have updated their SNOT section with some really pretty renderings, piece information, videos and step by step instructions. Most of the articles for advanced techniques lead to external ...
At first, I assumed that this was a clever technique using something flexible like a net or tubing. After a bit of digging, I found a similar tower roof on a different build by the same person:
Someone had asked about the roof technique on that build, and Markus included a photo looking up the inside of the roof structure:
The build makes use of round ...
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 whole thing is upside-down. This is normal.
This contraption will hold the 2x3 tile snugly, thanks to the offset provided by the lip of the headlight brick. ...
I think you want to consider using the 4-stud-wide "rollercoaster" tracks, part numbers 25059, 25061 and 26022.
Here's how those to parts look like in set 60228:
The straight track are 8 or 16 studs long, and the 90° curved track has a radius of 12 studs (counted from the track centerline). These dimensions allow for a few track pieces to be ...
The piece is 72869 Bar Holder with Clip and 90° Angle (Mechanical Leg)
It's a new part for 2021, and as the name implies, one of it's main uses is as a leg on various creatures. It seems especially well-suited for building spiders:
It hasn't had many other official uses to date, but it does get used as a robot of some kind in the Marvel advent calendar:
I think it is impossible to have a catalog of ALL building techniques. New solutions being invented each day using old and newly released parts.
There are couple of Flickr groups I could suggest for interesting solutions people end up with for their models:
News LEGO Techniques
You can also stumble on NPU acronym in LEGO community, which ...
I'm gonna suggest a SNOT contraption relying on two 3659 Arch 1x4, two 1x1 round plates in trans clear, and one 2654 2x2 round plate with rounded bottom, also in trans-clear:
The 2x2 plus 1x1 round plates should just fit within the arches of the arch bricks and provide just enough friction to hold:
If stability is a bigger concern, replace one of the 1x1 ...
Tl;dr - Your piano appears to be functioning correctly. The step you mention appears to be resetting the gear to a known position. The playback direction is clockwise and free of restriction. The reset process is counter-clockwise and is restricted by another mechanism.
For reference, here are the instructions as a massive PDF.
It looks like you're ...
It occurred to me that you could use 8-stud-long tiles, tilted ~3 degrees, resting on plates at different heights.
Side view from a quick LeoCAD mock-up:
Since clipping the tile to plates at different heights might stress the tile, I suggest to place it resting on top of tiles at different heights.
Edit: After several iterations, I think the ramp should be ...
I have also little soldering experience, but I managed to create custom extension cables:
First: open the cover with a small screw driver:
Remove the PCB by lifting the small notch to open the light block
Then you drill a small hole into the opposite side of the metal plates, insert a small 2-wire cable (~0,25mm) and solder it to the PCB.
The outer ring is ...
I'm struggling to understand why would there be a need to insert 24T gear inside turntable gear. If you need rigid connection - it is best to use existing attachment points for you assembly.
Internal gearing works with 8T gears. 3 of them could be used in line to have planetary gearing (actually, two is enough, but to make thing a little more rigid 3 are ...
Calculations / Pre-process
I started off by guessing that your MOCs are about 7 minifigs tall. If a minifig is 4 bricks tall that makes the overall height 28 bricks tall.
It looks like the tallest buildings are about 20 stories tall and the shorter buildings are 5 stories tall.
So you're looking at 4 plates or 5 plates per floor to build these. 4 plates ...
It just so happens that I have this set and have come up with a way to attach it without adding pieces:
All this requires is to move the two second-to-back float pads, take off the fez piece from the dock, attach it in the revealed anti stud on the bottom of the shuttle and put the fez piece back on, with the shuttle on top.
I know it's not realistic because ...
There have already been a few older sets containing pre-made mine carts or similar constructions with tracks besides the currently used style mentioned by IvanSanchez, take a look at how they were implemented:
Indiana Jones and The Temple of Doom (7199):
The Dynamic Duo Funhouse Escape (6857):
Amusement Park Roller Coaster (41130):
Silver Mine Shootout (...
As far as I can tell from the instructions alone (available at this 197MiB PDF from LEGO support), the purpose of those particular hinge plates is to serve as bottom support of the 1x12 technic bricks introduced in step 214 (and its symmetrical counterpart in 223). Let me try to illustrate:
So when the subassembly from steps 214-221 is attached, things ...
It's difficult to tell from the photos exactly how this was done, but here's a window design that is pretty close:
Here's how that's put together:
It should be possible to adapt that rough design to fit in other MOCs.
Is there a good way to attach it to common plant stems (3741)?
Although strictly a non-official connection, the Technic pneumatic hose (or its rigid variant) can fit over the plant stem, and thus the Friends flower pin. If the connecting piece is cut short enough, the resulting assembly might even look somewhat good.
Disclaimer: I don't have the roller coaster wheels or body, and have not tried this.
The Skateboard with mag wheels comes to mind, as an example of a bar connection with little friction.
If I remember correctly, the wheel bars are of normal diameter (regular clips have normal friction), so it is the board clips which are slightly larger than a regular clip.
I'm working on a Youtube channel where I explain Lego techniques, but I only just started the project. I've got two videos right now.
Link to my channel: https://www.youtube.com/channel/UCApO8jYdw4k8plpvEVI8zCQ
Caveat: I don't have this set, so am just looking at the instructions.
It looks like the pins should rest alongside the Axle 1L with Pin 3L you pushed into place on step 294:
You can possibly see that a bit clearer on step 447:
They should therefore rest just in front of the two SNOT assembles you added in step 417.
That's also borne out if you count 12 ...
Could this work in you case? Using snot brick to build it vertically.
The only way I managed to get your angle and snap it correctly is like that.
I used stud.io with collision turned on to be sure it could work.
I hope this can help you.
I found another solution using bar and bar with clip. This one is much more modulable but maybe less ...
I'm gonna suggest a different, non-conventional approach. This revolves around offsetting some 6016 3x4 grille, so each 2x3 tile fits through several grilles at once:
For an even more minimalistic look, rely on 4733 1x1 brick with studs on 4 sides and 2555 1x1 tile with clip, then add your own 1x1 brick/plate column:
Given the difficulties of making this ...
What does 18853 (Friends flower) connect to?
Most of Friends animals have this type of connection to attach accessories like flower you mention, bow or other. Coule of examples:
Dolphin, Friends / Elves, Jumping with Bottom Axle Holder with Medium Azure Eyes with Eyelashes Pattern
Bear, Friends / Elves, Baby Cub, Sitting with Black Nose and Claws and Dark ...
Since the lips of slope bricks rest half a plate below the two-plate-thick roadplates, a solution might be.... to elevate the whole track by half a plate. This can be done with baseplates:
Of course, this assumes that your train tracks will be elevated by one baseplate all around. But that's OK because we've learned from sets 4539-1 and 10128-1 that it's ...
I don't have this piece to check this assembly physically myself to confirm. However, the same design has passed TLG design review not once, but twice: first with 10199 set you mentioned in 2009 as well as 10249 six years later, which is updated version of 10199. So I'm rather confident there is no flaw.
Looking at the picture it seems like Cylinder ...
Just like the other answer by @matthew jensen, I do not have the roller coaster wheels in my possession, so my answer is entirely based on what seems to work in Stud.io.
It looks like you can construct a basic wheelholder using part 3176 - Plate 2x3 with Hole. Here is how I would do this:
I am using 2 small 1x2 - 1x2 inverted brackets and a 2x3 plate in the ...
The diameter of a bar (i.e. the axle) is the same as the distance between two studs. This can be leveraged in a variety of ways using hollow studs and bars.
This uses upside-down 85861 1x1 round plates and short bar parts (48729):
The hollow studs can be moved up and down in order to adjust the friction.
Same technique, using 3959 Minifig Utensil, Torch and ...