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  LDraw Part Naming Styleguide
Posted by: tom alphin - 2025-05-07, 0:47 - Forum: Official File Specifications/Standards - Replies (12)

As many of you know, I've been working on an online LEGO Parts Guide as part of my brickarchitect.com website.  I have recently announced that I am planning to turn it into a printed book as well, which I hope will become a valuable resource within the LEGO Community.

One of my goals in refining the online guide and preparing it for a print edition is to ensure my part naming strategy is thoughtful, consistent, and aligned with terms used throughout the community.  It's also important to recognize that the shorter part names I use are not meant to be used in isolation, but rather to always be shown next to an image of the part.  (The website also allows me to define a longer version of the name which helps with search functionality.)

In order to create consistent naming conventions, I recently prepared a first draft of the glossary, abbreviations, and naming conventions I will be using in the guide. 

I wanted to share it with this group for two reasons:

  1. I would genuinely love your feedback on the approach I'm taking.
  2. I wonder if there is a similar styleguide for naming parts on LDraw.  (If not, maybe this document would be a helpful starting point in creating one.)

Feedback encouraged and genuinely desired!

Sincerely,
---Tom Alphin

--------------------------------------

Glossary
Ø (Diameter) – Describes the diameter if a curved element was a complete circle/sphere.
Arch – Part with downward-facing curve relative to vertical axis.
Bar – Part with cylindrical section that can be grabbed by a clip or minifigure hand.
Baseplate – Very thin and slightly flexible part with studs on top, most commonly currently used in the Modular Building Series.
Bracket – SNOT piece which has an ‘L’ shape, usually with a plate thickness section oriented with studs facing upwards, and a vertical section with studs facing outwards.
Brick – The basic building blocks of LEGO have studs on the top and are multiples of 8mm wide and 9.6mm tall when stacked.
Corner – Part which have a section removed on the horizontal axis.  This missing area could be a rectangular area, at an angle, or curved.
Cutout – A rectangular area missing from side or bottom of part.
Door – Part which rotates around vertical axis.
End(s) – Describes one or both ends of a part.
Frame (Door Frame) – Part with large outward-facing opening for door or large window.
Handle – A Bar that is closed on both ends.
Horizontal – Something is lying on the ground. Also described as parallel to the earth (horizon).
Nose – Part which is angled in both horizontal and vertical axis. (Sometimes described as a Wedge Slope.)
Recessed – A rectangular area missing on vertical axis which still has studs.
Rock – Part with irregular and rough appearance.
Pane – Part which inserts into a Window, including transparent parts (Glass) or a lattice/grille pattern.
Panel – Part with a thin wall instead of a full brick wide.
Plate – Part which are 1/3 of the height of a LEGO Brick.
Slope – Part which has an angled section relative to vertical axis.
SNOT (Studs Not On Top) – Parts with studs facing outward (horizontal axis) instead of just on the vertical axis.
Tile – Part with a smooth top surface (in the vertical axis).
Vertical – The way that classic LEGO bricks are stacked.  Also described as up/down.
Wedge – Part with angled section relative to the horizontal axes.
Window (Window Frame) – Part with an outward-facing opening in the vertical axis.
Windscreen –Panel thickness part which is angled on vertical axis, usually used in vehicles or spaceships.

Abbreviations
Abbreviations are used as needed to keep part names shorter for part labels and names shown in this book.
L. (Left), R. (Right), Inv. (Inverted), Dbl. (Double), w/ (with), D. (Diameter), ID. (Inner Diameter), Pos. (Position Sensor), Sm. (Small), Med. (Medium), Lg. (Large), XL (Extra Large).

Part Naming Conventions
Part names in this guide are shorter than the names used by The LEGO Group or other LEGO-related websites.  These shorter names are easier to remember and save space.  They are not meant to be a thorough description of each part; but rather to complement the part image by providing clarifying details and relevant terminology. Where possible, I use the terminology in this glossary to describe each part.
If you want to learn more about a part in this guide, visit brickarchitect.com/parts and search for the part number listed beneath each part.

Criteria for Inclusion
This guide aims to include all ‘common’ parts which are currently being produced.  In practice, this means the top 2000 parts which were produced in between 2020-2024 based on a weighted ranking system.  Some parts are excluded due to the lack of 3d models required to create custom images. Many additional parts are included in the guide beyond the top 2000 parts, including a selection of useful parts which were released in 2025, and rare parts that are important for the completeness of the guide (such as a complete selection of current electronics).

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  Friends Fawn 13393
Posted by: Takeshi Takahashi - 2025-05-06, 15:11 - Forum: Part Requests - Replies (6)

Hello,

Thanks again for creating my previous requested parts.

I'd like to request Friends Fawn 13393 for Friends OMR project.
https://forums.ldraw.org/thread-24146.html

https://www.bricklink.com/v2/catalog/cat...#T=C&C=150

I've found a raw mesh in digital-bricks
http://www.digital-bricks.de/en/index.ph...part=13393
but clean-up and split patternable surfaces would be highly appreciated.
I'll try to make printed patterns, so the part body is sufficient.

Thanks in advance,
Takeshi

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Thumbs Up 15535pb13 (thru 18) Tile, Round 2 x 2 with Hole with Concentric Circles with I
Posted by: Cam's Bricks - 2025-05-06, 12:52 - Forum: Part Requests - Replies (2)

This tile is used on all the new F1 cars for the City Line.

https://www.bricklink.com/v2/catalog/cat...conly%22:0}
https://www.bricklink.com/v2/catalog/cat...conly%22:0}
https://www.bricklink.com/v2/catalog/cat...conly%22:0}
https://www.bricklink.com/v2/catalog/cat...conly%22:0}
https://www.bricklink.com/v2/catalog/cat...conly%22:0}
https://www.bricklink.com/v2/catalog/cat...conly%22:0}

The pattern is the same for all of the colors. I am not sure how that gets handled on the parts side but I would like to request this gets made. 

Thanks in advance

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  Part 66237 Slpit
Posted by: Javier Orquera - 2025-05-06, 2:06 - Forum: Parts Authoring - Replies (1)

Hello: I divided part 66237, file from digital-bricks.de, for and to help Gerald Lasser (because is the author of the unofficial part). Due to respect of authoring I choice to not interfere in the work of others.
Attached are the raw parts (only scaled).



Attached Files
.dat   66237s01.dat (Size: 110.42 KB / Downloads: 5)
.dat   66237s02.dat (Size: 92.38 KB / Downloads: 5)
.dat   66237s03.dat (Size: 44.6 KB / Downloads: 5)
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  Updating the Library
Posted by: Cam's Bricks - 2025-05-05, 10:48 - Forum: Help - Replies (7)

Hello,

I have always been confused about how I should update the library. I typically use LDCad and LPub3D with LDView for quick viewing. 

Is there a "best practice" to keep both the Official and Unofficial libraries up to date? 

Additionally I have dozens of custom parts I use for train wheels and other details in my MOCs and I feel like I dont quite understand where to put those. I currently have a "Custom_Parts" folder with a sub "p" and "s" folder for parts that need that. 

Thanks in advance.

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  ConvertToLDraw Version 1.5.0 Released
Posted by: Hageta - 2025-05-05, 10:08 - Forum: LDraw File Processing and Conversion - Replies (1)

Today I released version 1.5.0 of ConvertToLDraw.

https://github.com/Nexusnui/Convert-To-L...tag/v1.5.0

Changelog:

New Features:

  • function for generating outlines(LDraw linetype 2 only)
  • subpart tabs are movable and reflect the order subparts have in the converted LDraw file

Improvements:
  • loading animation in preview

Additional Changes:
  • new edit part area in "Main Part Settings" tab, for edits, that apply to all subparts
  • "Parent Part Settings" renamed to "Part Metadata"

Screenshot of a part with generated outlines:
   

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  Lego part 6179pb256 - Completed
Posted by: John B - 2025-05-04, 11:59 - Forum: Parts Authoring - Replies (2)

Hello

This is my first dabble into the world of LDraw so my apologies in advance for any errors - please be gentle.

I enjoy creating LEGO sets in Studio - and I recently did so with set 75405 (Home One Starcruiser).

The imported LEGO set model in Studio is missing 6179pb256 and so I created it:

[Image: 6179pb256.png]

If I needed this it stands to reason others may also. My limited understanding is that the part list for Studio is, ultimately, based off LDraw. 

So I submit here as an .dat file for anyone to use accordingly.

Grateful for any [constructive] feedback/redirection required.



Attached Files
.zip   6179pb256.zip (Size: 1.98 MB / Downloads: 5)
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  2025 - New Parts -> Raw Meshes -> Discussion
Posted by: Cam's Bricks - 2025-05-03, 12:23 - Forum: Part Requests - Replies (5)

I know you said not to answer in here but is there any change of a description being included?

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  transparent parts
Posted by: Peter Blomberg - 2025-05-03, 9:09 - Forum: Parts Authoring - Replies (4)

What do one need to take into account regarding transparent parts?

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Star 2025 - New Parts -> Raw Meshes
Posted by: Gerald Lasser - 2025-05-02, 8:25 - Forum: Part Requests - Replies (9)

This thread is just for Information and a monthly collection of new parts released.

And can serve as a source to author the part for the tracker!

Those parts are NOT corrected for orientation and origin

Do NOT answer to this thread.

--------------------------

Released 2025 - MAY - 01
Released 2025 - MAY - 15
Released 2025 - JUN - 01 (System & Technic)
Released 2025 - JUN - 01 (DUPLO)
Released 2025 - JUL - 01
Released 2025 - AUG - 01

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