The naming convention for part 87079 seems to start off being hexadecimal and then kinda goes random but there are gaps like there is no 87079PC or PD, PE, PJ to L etc. So what number am I supposed to use? Should I just fill one of the gaps?

Now that more duplo trains and cars are modeled, we should think about the primitives for the hitches aka tow pins, tow loops, and tow clips. Duplo hitches come in many types and variants. However, when minor differences are ignored, it boils down to a handful tow pins and tow hooks.

Long unreinforced tow pin
Suggested archetype: 4883a in LDraw
The classical tow pin has a long neck and no topside reinforcement.
4559, 4580 (Corrected), 4883a, 4883b, 53053, 31300 (Corrected), 59273a (Rebrickable)

Long fully-reinforced tow pin
Suggested archetype: 22307 in Rebrickable
The classical tow pin with long neck and full topside vertical reinforcement.
31507 (Corrected), 22307 (Rebrickable), 59273b (https://www.ebay.com/itm/365018516343)

Short unreinforced tow pin
Suggested archetype: 2312 in LDraw
This tow pin has short neck, no topside reinforcement.
2312, 31300a, 4580b, 6505

Clasped tow pin
Suggested archetype: 52071 in Rebrickable
This tow pin has short neck and horizontal triangle covering the topside
1326, 2034, 18520, 52071, 54007

Short fully-reinforced tow pin
Suggested archetype: 11248 in LDraw
This tow pin has short neck and full topside vertical reinforcement.
11248, 31300b, 15313, 15314, 31174, 95462, 98214, 58234, 53899, 4354

Short half-reinforced tow pin
Suggested archetype: 28759
This tow pin features a curved topside reinforcement.
28759, 28743, 2092

Tow loop
Suggested archetype: 4883a in LDraw
Features a closed tow loop/hook
4883a

Rectangular tow clip
Suggested archetype: 53053
Features an open tow clip/hook on a triangular rectangular support.
2320, 6505, 53053

Rounded tow clip
Suggested archetype: 2312&11248 in LDraw
Features an open conically-tapered tow clip/hook on a rounded support.
2312, 11248, 31174, 52071

Untapered tow clip
47450

Trailer tow clip with wheel, horizontal
18520, (87657), (87658), (89198)

Trailer tow clip with wheel, angled
14923

This list is not exhaustive. Some additional cases were omitted.
4883b reinforced clip/hook (https://www.ebay.com/itm/186383419871)
4820 reinforced trailer clip/hook
All movable clips/hooks

Hello,

I'm going to create part 16292 (Plastic Triangle 6 x 12 Sail with 'HLC-37' Pattern) for Friends/DP/Elves OMR project and I have some questions.
https://www.bricklink.com/v2/catalog/cat...2#T=C&C=12

The part shape is similar but obviously different to currently existing plastic sail u66 (the shoulder near the top and the hole for horizontal beam).

1. There are several print variants sharing the same cutting die, but we have no unprinted version.
https://www.bricklink.com/v2/search.page...x%2012#T=A
So I suggest as follows (u9179 is the u-number assigned to me):
u9179 Sail  6 x 12 Triangular Modern : unprinted version
u9179p01 Sail  6 x 12 Triangular Modern with Orange and Red Pattern : Part 93383 (Year 2011)
u9179p02 Sail  6 x 12 Triangular Modern with with "HLC-37" Pattern on Back Side : Part 16292 (Year 2014, the only variant printed on opposite side)
u9179p03 Sail  6 x 12 Triangular Modern with Dark Blue Wave in Circle and Dark Azure, Dark Blue and Green Markings Pattern : Part 32917 (Year 2017)
u9179p04 Sail  6 x 12 Triangular Modern with Lime and Bright Light Blue Wave and Yellow Sun Pattern : Part 1601 (Year 2022)
93383 : Alias to u9179p01
16292 : Alias to u9179p02
32917 : Alias to u9179p03
1601 : Alias to u9179p04
If there are better way, it will be highly appreciated.

2. Is the naming "Triangular Modern" appropriate? Should be more specific?

Having a special interest in Duplo, I made an inventory of relatively common parts for sale that are not yet on the LDraw part tracker. Naturally, I made a biased selection avoiding animals, figures, patterned parts, and special themes. Some of the parts in the list below are old and cannot be found in BI, some are newer, but still not in BI. Some are available as raw meshes in BI. Some can be created based on pictures. Some can be created by measuring the physical part, but some are so complex manual measurements would take a long time. Some could be scanned using a 3D scanner.

Which are available from the LEGO Builder instructions app (BI)?

10563 Duplo Container Box 2x4x2 Door with Handle
11841 Duplo Car Base 2x6 with Tyres and Wheels on Fixed Axles
12591 Duplo Car Base 2x4 with Fixed Axles, Tyres, and Wheels
13247 Duplo French Bread Loaves with Short Side Extensions
1326 Duplo Truck Semi-Tractor Chassis
13535 Duplo Boat with 8 Studs (is in BI, but the mesh is inadequate)
15313 Duplo Car Base 2x6 Tractor with Mudguards and Wheels with Tyres
15454 Duplo Car Body Truck 4 x 4 Flatbed with 4 Top Studs
15575 Duplo Boat Hull Unitary 7 x 12, Top
15576 Duplo Boat Hull Unitary 7 x 12, Base
15577 Duplo Ice Cream Waffle Cone
16196 Duplo Airplane Small
16205 Duplo Animal Accessory Cratch
16265 Duplo Utensil Wrench with Smooth Handles
16598 Duplo Door / Window Pane 1 x 4 x 3 Curved Front with Rounded Pane
18720 Duplo Airplane Midsize Fuselage Base with Wings
18721 Duplo Airplane Midsize Fuselage Top
18806 Duplo Container Box 2 x 4 x 2 with Open Sides
19443 Duplo Ladder 7 Rung with Locking Ring and Drum Narrow Ridged Holder
2156 Duplo, Plate 8 x 3 Cut Corners On tracker
21997 Duplo Digger Bucket, Small with Locking Ring - 4 teeth
21998 Duplo Front End Loader Bucket with Locking Ring - 7 Teeth
2292 Duplo Wheelbarrow with Thin Black Wheels
2992 Duplo Wheelbarrow with Thick Black Wheels
23230 Duplo Carrots
23233 Duplo Maize / Corn
23742 Duplo Rock Round with Hole in Center
2390 Duplo, Plant Leaf / Strawberry Top On tracker
23925 Duplo, Brick 2 x 2 x 2 Bag
23927 Duplo Bridge Log with Holes
23990 Duplo Utensil Watering Can
24181 Duplo Utensil Surfboard
24955 Duplo Utensil Jackhammer
25551 Duplo Bulldozer Blade
25600 Duplo Caterpillar Base with Black Treads
25632 Duplo Horse Wings with Feathers
26249 Duplo Door / Window Pane 1 x 4 x 3 with Four Panes Rounded
27383 Duplo Utensil Cup with Stud Inside
27396 Duplo Roof Sloped 4 x 4 x 3 with Window Opening
28593 Duplo Door / Window Pane 1 x 4 x 3 Flat Front with Curved Pane Arch
31025 Duplo Loading Chute with 2 x 4 Base Bricks
31032 Duplo Farm Plow Type 2 with 3 Blades
31041 Duplo Utensil Teapot / Coffeepot, Indented Base
31064 Duplo, Plant Vine 14L with Leaves and Stud Receptacles on Ends
31071 Duplo Rock 4 x 4 x 6
31164 Duplo, Plant Cactus
31168 Duplo Fire / Grass / Ice 1 x 4 x 2
31169 Duplo Animal Accessory Horse Harness
31176 Duplo Horse Carriage Body
31205 Duplo Road Section, Curve
31211 Duplo Road Section, Straight
31220 Duplo, Plant Leaf Single with 4 Top Studs
31287 Duplo Cake with Frosting
31300 Duplo, Train Base 4 x 8 with Train Wheels and Movable Hook
31432 Duplo Utensil Balloons with Frosted Trans-Clear Flexible Rubber Handle
35086 Duplo Swing
35087 Duplo Pumpkin
35088 Duplo Slide Curved 90 degrees, Straight Sides
35110 Duplo Brick 2 x 2 x 2 Ribbed - Center Flush with Edge with Molded Flexible Rubber Fins
35735 Duplo Utensil Teapot
35961 Duplo Container Box 4 x 4 x 2 1/2
36744 Duplo Car Body with 2 Studs on Back, Small Windshield and Hitch
41417 Duplo Snowflake
42026 Duplo, Plate 2 x 2 with Tow Rope Holder Arms
43088 Duplo Snowmobile Body
43852 Duplo, Plant Seaweed (is in BI, but the mesh is inadequate)
43871 Duplo Wear Flippers With Handle
43872 Duplo Pineapple
47423 Duplo Container Box 4 x 4 with Studs on Corners
47450 Duplo Trailer with Frame and 2 x 4 Studs
4785 Duplo, Train Track Fuller with Ramp
51265 Duplo Container Garbage Can
51268 Duplo Utensil Axe / Tomahawk with Tapered Round Handle Top and Solid Handle Bottom
51384 Duplo Roof Sloped 8 x 8 x 8 with Door Opening
5165 Duplo Utensil Wrench with Ridged Handles
52364 Duplo Catapult
53904 Duplo Steak
54060 Duplo Boat Anchor
5926 Duplo Animal Accessory Bone On tracker
5938 Duplo, Brick 2 x 2 with Locking Ring and Hinge with Red Gaskets
5939 Duplo Wing / Fin with Locking Ring
59559 Duplo Container Tank Lower Section with Outlet for Hose
60770 Duplo Utensil Fire Extinguisher, Simple Handle
60773 Duplo French Bread Loaves with Long Side Extensions
60775 Duplo Container Box 2 x 4 x 2 with Open Sides, Holes in Top and Bottom
60777 Duplo Container Oil Drum 2 x 2 x 2
6353 Duplo Helicopter / Airplane Skids Small
6376 Duplo, Train Track Crossover
6392 Duplo, Train Track Bridge End Section with Large Bottom Support
6393 Duplo, Train Track Bridge Middle Section, Half Arch
6394 Duplo, Brick 2 x 4 x 2 with 2 x 2 Cutout on Bottom
6411 Duplo, Plant Tree Trunk Segment Base
6413 Duplo Tile, Modified 2 x 4 x 1/2 (Thick) with 4 Center Studs Official
64132 Duplo, Plant Bush / Tree Top / Rock Pile with 2 Studs
6414 Duplo Fire Hydrant On tracker
6461 Duplo Wall 2 x 6 x 6 with 3 Cupboards
6472 Duplo, Furniture Stove 2 x 4 x 2 1/2 with 4 Studs and Burner
6504 Duplo Utensil Video Camera
65117 Duplo Utensil Guitar
65156 Duplo Support 2 x 4 x 3 X-Frame Girder
65829 Duplo Vehicle Body 4 x 4 with Seat and Dashboard
65830 Duplo Cabin Truck 4 x 4
65870 Duplo Rock Boulder
65875 Duplo Bulldozer Bucket with Locking Ring, 9 Teeth
70675 Duplo Utensil Broom
73540 Duplo Track Raised Ramp 8 x 8 x 1
73568 Duplo Container Garbage Can with Lid
79794 Duplo Helicopter Skids Solid Rounded Ends
80166 Duplo Helicopter Body Wide Round Top
84191 Duplo, Plant Tree Trunk 4 x 10 x 4 with Open Back and 2 Large Branches
84192 Duplo, Plant Tree Pine
84193 Duplo, Plant Palm Tree Leaves Small 6 x 6 with 4 Top Studs
85347 Duplo Engine Block 2 x 2
87654 Duplo Roof Sloped 8 x 8 x 6 with 3 x 3 Opening
89398 Duplo Rear Spoiler / Wing
92002 Duplo Umbrella Top with Axle Hole
93281 Duplo Fruit Pyramid - Indented Base
94901 Duplo Utensil Wheelchair
98192 Duplo Animal Accessory Cratch with Handle
98217 Duplo Cupcake Top with Swirl Icing and Stud
98239 Duplo Door / Window Pane 1 x 3 1/2 x 6 2/3 with Curved Top and Open Handle - Castle
98458 Duplo Loading Pallet 4 x 4 Smooth Side On tracker
dupmc Duplo Motorcycle
dupmc3 Duplo Motorcycle with Rubber Wheels

When looking at the bottom of part 14769 in high res there are big gaps that don't appear in the low res version of the part.



vs

What is the correct number for the uncolored Duplo candle?
11854, 98219, or 34099

What is the proper name and number for the yellow-flamed part? Is it considered a pattern?

Is there a standard phrase to acknowledge who scanned the part?

I was trying img4dat to create a decorated part and it looks decent but when I load it into ldpart editor and use the overlapping checking tool there are 525 overlapping surfaces.

So my questions are:

A) Is there an easy way to fix them?

B) Is there a way to stop them being generated in the first place in img4dat ?

I've attached the dat I was working on which is for part 3069pb1332
https://www.bricklink.com/v2/catalog/cat...conly%22:0}

Attached Files

  3069bp59.dat (Size: 111.73 KB / Downloads: 0)

LDConfig made from the one in the LDraw.org 2025-09 Parts Update.
This is a LDConfig file that includes the "Render Only" colours from Bricklink Studio.
(Without LUMINANCE values, I might change that in future updates)
To use it do the following:

1. Download it: 
     LDConfig_plus_bl_studio_colours.ldr (Size: 68.22 KB / Downloads: 4)
   
2. Move it to your LDraw folder
   
3. Rename "LDConfig.ldr" to LDConfig_default.ldr(or something else)
   
4. Rename "LDConfig_plus_bl_studio_colours.ldr" to "LDConfig.ldr"
   

The 2025-09 LDraw Parts Update has been released. This update adds 254 new files to the core library, including 153 new parts and 13 new primitives.

Thanks are due to all the part authors who created or corrected parts for this release. The small, but dedicated, band of reviewers also play an important role in keeping files moving through the Parts Tracker and deserve just as much credit. This update wouldn't have been possible without their dedication and attention to detail.

You can preview the new parts in 2025-09 here, and download the zip-file update or Windows install package here.

Thank you to all the testers and parts authors who continue giving feedback on the PT software. This project would not be what it is without your help.

Orion Pobursky
Magnus Forsberg
Gerald Lasser
LDraw.org Parts Library Admins

The specifications for a move to file is brief and doesn't state explicitly whether one should include part or all of the history and in which file. In an earlier thread Magnus Forsberg instructed:

Quote:XXXXX.dat
Description = "~Moved to XXXXXb"
Author = Me
Content = "1 16 0 0 0 {rotation matrix} XXXXXb.dat" (the rotation matrix restores the old orientation)

XXXXXb.dat
Description = Same as before
Author = Same as before
History line = "corrected orientation by creating b replacement file" + any minor corrections
Content = all previous content + any minor corrections