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  Missing X-4ering
Posted by: Bertrand Lequy - 2021-05-17, 20:02 - Forum: Parts Tracker Discussion - No Replies

Hello, since I allready opened severel thread for the same thing, maybe it would be better toopen a thread to report all of the misisng ering in parts.

Today it's https://www.ldraw.org/parts/official-par...id=2586p4n

A 2-4 ering sould be add in the main model :

Code:
1 80 0 -14.5 -8 20 0 0 0 0 -20 0 -1 0 2-4ering.dat
or in the subfile (maybe a better choice) https://www.ldraw.org/official-part-look...p4ns01.dat :
Code:
1 80 0 -14.5 -8 -20 0 0 0 0 -20 0 -1 0 1-4ering.dat

Same problem with https://www.ldraw.org/parts/official-par...id=2586p4m

a 1-4 ering should be added in the subfile https://www.ldraw.org/official-part-look...p4ms01.dat

Code:
1 82 0 -14.5 -8 -20 0 0 0 0 -20 0 -1 0 1-4ering.dat

Maybe it's the case for the other pattrened versions of this part. I didn't have to render them, so I don't know.

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  Live LDraw building
Posted by: Orion Pobursky - 2021-05-17, 1:08 - Forum: Website Suggestions/Requests/Discussion - Replies (4)

So I got this great idea to do a "watch me build this in LDraw" livestream on YouTube or some other platform. Unfortunately it would have to be in the evening my time (Pacific) so that's super late for the US East coast or supper early for Europe. Is there any interest in something like this?

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  My first LDraw creation - Wall-E!
Posted by: Ashley Shipp - 2021-05-16, 20:34 - Forum: MOCs (My Own Creations) - Replies (2)

Hi everyone... this is my first post.  I made a custom mini Wall-E I created (with instructions) for my little boy's Wall-E themed birthday party!!  I love working with AutoCAD but never knew there was a Lego version!!!!! LDraw is now my favorite place!

   

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Thumbs Up Is this sack from lego?
Posted by: Thom Kok - 2021-05-15, 13:30 - Forum: Help - Replies (2)

I have tried looking trough every minifig accessories in studio and I have also searched sack on rebrickable and bricklink, but I am not able to find it. Does anyone know what this piece is? It looks like it is from lego. It fits in a minifigs hand.

[Image: EDN1UVP.jpg]

[Image: lt6SJSJ.jpg]

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  [LDPatternCreator] Release 1.7.3 (new tangent primitives / bugfix)
Posted by: Nils Schmidt - 2021-05-14, 10:19 - Forum: Parts Author Tools - Replies (11)

Hey,

I recieved a mail from Willy and transformed it into a new LDPatternCreator version.

Download and install the latest LDPatternCreator release directly from sourceforge.net.
Any previous version should be uninstalled first. Your program configuration will be preserved.

Change log:

New features:

  • Included the latest #-#tang primitives (1-16tang.dat, 1-8tang.dat, 1-4tang.dat, 48\1-16tang.dat, 48\1-8tang.dat).

Fixed bugs:
  • "Add Vertex" was not compatible with the "Create a Spline..." feature.
  • Version 1.7.2 triggered a false alert on Windows Defender. I had to increase the version number and re-build it.

Quote:Bug-Detail:
  •     Select "Add Vertex [A]"
  •     Set a vertex. Watch out for the small coordination windows in the bottom right-hand corner
  •     Select "Add Primitive [F7]... Create a Spline..."
  •     Click to add the spline starting point
  •     Click to set the first direction of the spline
  •     Click to add the next point
  •     Click to set the next direction
  •     You CANNOT click to apply the segment count because the "Vertex-Data" is still there hiding the segment count window underneath.


As always, I included a short readme.htm in the installation directory.

Cheers & Leg Godt

Nils

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  Best Practices
Posted by: Cam's Bricks - 2021-05-13, 3:12 - Forum: Parts Authoring - Replies (3)

Hello,

I am working on a set of steam train driving wheels that I 3D print and I want to have LDraw parts to share. I know I can go the route of STL->Dat but the files are HUGE (10k+lines) and I would like to optimize a little better. 

So far my thought is to have a slice of the outer ring that is 1LDU thick but has the profile of the wheel then take and spin that 360 degrees. I can then create a center section of spokes and other features from there. The "problem" is that the largest size of steam driver I am looking to produce is 386 segments (123LDU diameter). Is that "too much" I see that there are other primitives that I can use to create some of the faces but I am worried that the resolution is not high enough for something so large. 

I have attached and example of this. 

I am really looking to make sure I am at least headed in the right direction and that I am not doing something needlessly over-complicated. 

I would think that the creation of a file would go something like this

  • Create inner connection 
  • Create rim(s) at sizes needed
  • Create associated details
  • Create the "final" wheel(s) which will have reference to the various pieces needed
Additionally, I have also developed a spreadsheet to calculate the ring positions and it would be easily adaptable to help fill out the circular primitives if that is helpful.



Attached Files
.dat   13-DR-FL-NG-Rim.dat (Size: 56.95 KB / Downloads: 7)
.dat   BT-DR-FL-NG-Profile.dat (Size: 1.04 KB / Downloads: 5)
.dat   12-DR-FL-NG-Rim.dat (Size: 53.3 KB / Downloads: 4)
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  Weekly new parts and the "Oldtimers"
Posted by: Willy Tschager - 2021-05-12, 5:37 - Forum: Parts Tracker Discussion - Replies (11)

Guys,

as you might have noticed a new script has been added to the PT links a while ago, listing the "Weekly New Parts":

Beside the new parts it gives you a good overview of the "Oldtimers", parts that are in review hell for ages because of some issues - mostly abandoned by their authors. I started reviewing and fixing some of them a long time ago and would appreciate if you could have a look and get them into an update:

https://www.ldraw.org/cgi-bin/ptdetail.c.../89918.dat
https://www.ldraw.org/cgi-bin/ptdetail.c.../43936.dat
https://www.ldraw.org/cgi-bin/ptdetail.c.../43750.dat
https://www.ldraw.org/cgi-bin/ptdetail.c...s/6088.dat
https://www.ldraw.org/cgi-bin/ptdetail.c.../48492.dat
https://www.ldraw.org/cgi-bin/ptdetail.c.../11467.dat
https://www.ldraw.org/cgi-bin/ptdetail.c...43ac01.dat
https://www.ldraw.org/cgi-bin/ptdetail.c...61dps6.dat
https://www.ldraw.org/cgi-bin/ptdetail.c...61dps7.dat
https://www.ldraw.org/cgi-bin/ptdetail.c...61dps8.dat

Thanks,

w.

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  Tabbed windows & door
Posted by: N. W. Perry - 2021-05-11, 4:00 - Forum: Parts Authoring - Replies (4)

Regarding the Mursten-era door (u8012) and windows (u8019–u8024):

The geometry of these parts is not quite right, and leads to collisions when the tabs are interlocked as intended. I propose this modification, which avoids these collisions, and also those that arise by placing the tab behind a neighboring brick (as seen here). But the real geometry may be a slightly thicker tab that fills the slot better, with the part itself being slightly less than a brick-width in Z (so maybe 18 LDU or so), relying on the part's flexibility to fit behind or in front of a neighboring brick.

This revision also subfiles the tab, for brevity's sake. I use u8021 as an example, but all seven parts would be affected.



Attached Files
.dat   u8021.dat (Size: 3.28 KB / Downloads: 2)
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  3900p01 and 4-4ering
Posted by: Bertrand Lequy - 2021-05-09, 17:16 - Forum: Parts Tracker Discussion - Replies (1)

Hello, I was rendering https://www.ldraw.org/parts/official-par...id=3900p01
and noticed a 4-4ering is missing on the printed side

1 16 0 4 0 14 0 0 0 1 0 0 0 14 4-4ering.dat

(I'm not hunting them, I'm just rendering a lot of parts)

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  LDView 4.4 Beta 4 test release
Posted by: Travis Cobbs - 2021-05-08, 6:40 - Forum: LDraw Editors and Viewers - Replies (27)

I have posted a test release for LDView 4.4 Beta 4 to GitHub:

https://github.com/tcobbs/ldview/release...v4.4_Beta4

This release mainly contains bug fixes since Beta 3, along with a few new features. The Mac version should work better on macOS Big Sur, and has an updated icon (as well as updated LDR and MPD icons on Big Sur).

One of the bug fixes with the most potential to introduce unexpected problems involves a change to the curve smoothing. It now does not try to smooth out two facets that are joined by both a conditional line and an edge line. This can happen (for example) when a curved primitive like a torus extends to the edge of a part. This happens on part 88293, which is the part that was included in the original bug report that caused me to fix the problem. I suspect that it happens in other parts also. I would greatly appreciate it if people would let me know if they see any regressions in LDView's curve smoothing.

Note: because of this new behavior, I expanded the angle over which curves can be smoothed. This improves (for example) the hair on the Bart Simpson minifig head, and probably improves other parts as well. However, it's possible that I went too far, and it will result in areas being smoothed that shouldn't be, so please be on the lookout for that as well.

The ChangeHistory.html file that is included in the release lists all of the changes since LDView 4.3. In the macOS version, ChangeHistory.html is in the dmg. In the Windows version, ChangeHistory.html gets installed to wherever you install LDView (C:\Program Files\LDView by default). I'm actually not sure where it goes in the Linux version. Please see my Alpha 6 announcement for a list of what I feel are the most important changes relative to LDView 4.3.

Please let me know about any problems you find. The preferred way to do that is with LDView's GitHub Issues tracker. However, if you do not want to create a GitHub account so that you can do that, you can reply to this message.

My hope is that this is the last beta release before an official LDView 4.4 release.

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