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STL to LDD or other Lego ...
Forum: General LDraw.org Discussion
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9 hours ago
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Math help
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v2 file not found?
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Img4Dat
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Broken colour config page...
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Part request 4150px21
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MPDcenter VS Lsynth probl...
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2019-03-22, 23:00
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Gaps/overlap in part fit ...
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  Hips and Medium Legs
Posted by: Vincent M - 2019-02-27, 8:28 - Forum: Part Requests - No Replies

Hi,

I'm not sure if it already exists but I was not able to find it on the PT:

https://www.bricklink.com/v2/catalog/cat...?id=167789

[Image: 970cm00.png]

Thanks for your help!

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  Img4Dat
Posted by: Rolf Osterthun - 2019-02-26, 23:11 - Forum: Parts Author Tools - Replies (26)

Hello,
 
long time ago I started implementing a tool to convert images to LDraw compatible .dat files. The first name was Img2Dat; but during the time the ‘version’ increased. Here is only a short description.
 
You can download the tool here (sorry, but I have to write this: the application, can be downloaded as it is. I do not take charge for errors or any kind of damage to your system that is caused by this software.): Img4Dat.zip
It is a beta version – there are some issues I that need an improvement. But I think it is stable enough for playing. It is written in C# for the .NET Framework 3.5 (so Windows).
 
If you open the application, you can open a bitmap (currently only .bmp) – it will be shown in the left half of the GUI.

.png   Clipboard01.png (Size: 144.44 KB / Downloads: 283)
 
Now you can choose colors for the color quantization by right click on the source image (select the background color first). The result will be shown in the right half of the GUI.
It is the base for the path findings (around the areas with the same color). After choosing the colors it is possible to clean the result a little bit (and to remove the obsolete areas in the background). 

.png   Clipboard02.png (Size: 204.78 KB / Downloads: 283)
You can save the result image to rework it in a different tool or just for backup.
You can search for the paths now, by clicking the 'FindPaths' button. The result will be shown on top of the original image.
Again, a little bit of cleaning can be done (here undo is possible):

  • Select one point and create a circle (with the connected points); you can define the number of points in the circle.
  • Select more then two points. The points will be projected on the line between the first and the last selected point.
  • Select more then three points. The points will be projected on a circle. The first and the last point will not change. You have to select the points in the right order.
  • Select two points. They will become one at the cut of the connected lines.
  • Select more then two points. The distance between this points will be recalculated. Here you also have to select the points in the right order.
  • When you have selected one point, you can delete it with pressing d-key.
  • When you have selected two points, you cann add a point between them by pressing the a-key.

.png   Clipboard03.png (Size: 190.53 KB / Downloads: 283)
You can also add a ‘template’ where the image should be patterned for, and scale and adjust it (currently only torso and tile 2x2 round).

.png   Clipboard04.png (Size: 196.46 KB / Downloads: 283)
When the result is fine, the triangles can be created by clicking the 'CreateTriangles' button  – a .dat file with the name of the source image becomes created in the folder of the source image. The colors need to be adjusted to LDraw colors.

.png   Clipboard05.png (Size: 4.13 KB / Downloads: 281)
(One hint: The triangle generation will not work correct, when two lines cross after cleaning the paths or adding the template.)

I would be happy, if someone gives it a try.

Rolf

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  Pictures of 89918 - Helmet Underwater Atlantis Portal Emperor anyone?
Posted by: Willy Tschager - 2019-02-26, 11:42 - Forum: Parts Authoring - Replies (4)

I'm gonna fix this hold voted part:

http://www.ldraw.org/cgi-bin/ptdetail.cgi?s=89918

and would appreciate a picture of the inside with the stud:

[Image: 89918.png]

And since we are here also a front pic. of the head wouldn't hurt:

[Image: lego-portal-emperor-head-safety-stud-908...727547.jpg]
I remember a thread with a link to high res pics of heads but cannot find it.


w.

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  Import dwg or image
Posted by: navarra - 2019-02-25, 17:19 - Forum: LDraw File Processing and Conversion - Replies (1)

Hi,

I'd like to know if it is possible to import a dwg file or a jpg file inot LDRaw?
Thanx.

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  2019/2020 LDraw.org Steering Committee: Nominations closing on 28 February 2019
Posted by: Willy Tschager - 2019-02-25, 16:06 - Forum: LDraw.org Announcements - Replies (2)

Hi folks,

As outlined here:

https://forums.ldraw.org/thread-23140.html

nominations for the 2018/2020 LDraw.org Steering Committee election will close at 11:59 PM GMT on 28 February 2019 and elections will start on 01.03.2019. Only those candidates who have been nominated, seconded, and have accepted as outlined, will be eligible for election. So if you are a candidate that has not yet accepted or declined, please consider deciding. The list with the candidates as well as their status can be found here:

https://forums.ldraw.org/thread-23164.html

If you feel your favourite nominee is missing on the list please use the link above to nominate him/her.

Willy Tschager
On behalf of the LDraw.org Steering Committee

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  Is creating a new LDraw primitive allowed?
Posted by: David Manley - 2019-02-25, 10:26 - Forum: Parts Authoring - Replies (2)

I'm working my way through addressing issues identified in some stickers I have submitted. One of the suggestions is to use a primitive instead of some quads.

Using "Rings and Cones", I can see some primitives with a suitable radius once a scaling factor is applied. However, rather than wanting a ring, I'm looking for a partial ring. While one of the primitives (3-16ring14) I could use is already available, a second one (3-8rin21) is not. I have played with PrimGen2 to generate the second desired primitive locally.

My question is, if I'm modelling a part and need a currently unavailable primitive, am I allowed to simply define the appropriate primitive (using PrimGen2) and submit the primitive through the parts authoring process? If this isn't allowed, is there an an (official) alternative way to get a new primitive created?

I do have an alternative where I can use a different primitive and apply a scaling to it but the ring segment ends up being too "thick" compared to the actual sticker. My preference is to try to model the sticker with the ring segments having the actual measured thickness.

Regards,

David

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  Printing parts from Ldraw part database
Posted by: Andrew L - 2019-02-24, 20:09 - Forum: Help - Replies (2)

Hi!
I tried converting some parts from LDraw to STL and printing them on the 3d printer.
I encountered a problem that all pinholes are too small, doesn't matter which part i use. Part size, however, is precise compared to existing parts (so i know it's not printer being buggy).
I have then found same parts elsewhere that print and that are compatible with other Lego bricks i've got.
Wonder if there's anything obvious i'm missing out while converting ldraw library parts to stl and printing.

Thanks and sorry if it's a noob question, i just have a line of children waiting for missing parts Smile

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  STL to LDD or other Lego Draw program
Posted by: George Ducharme - 2019-02-24, 15:22 - Forum: General LDraw.org Discussion - Replies (2)

Hi,

Is there a simple way or set of instructions to turn an .stl file (taken from SketchUp) into a Lego model?  I have used Brickify, however it appears the model is too large to process so the site is hanging.  I did remove unused layers, however that doesn't seem to help.

Unable to load file via the forum, so here is the link to the model via the 3D Warehouse -  

https://3dwarehouse.sketchup.com/model/1...ape-May-NJ

Apologies in advance if this topic has been covered and I completely missed it.

Thanks for any and all assistance.

George

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  broken main menu on Android
Posted by: Steffen - 2019-02-24, 8:23 - Forum: Website Suggestions/Requests/Discussion - Replies (2)

the main menu (see screenshot)
on Android is without function.
clicking it has no effect...



Attached Files Thumbnail(s)
   
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Video Continuous Variable Displacement Compressor
Posted by: Joscha - 2019-02-23, 23:14 - Forum: MOCs (My Own Creations) - Replies (1)

Hi there

After some time again I finally managed to release a video of my compressor. Here it is.

https://www.youtube.com/watch?v=rsH1Px7-qBA


Enjoy
Joscha

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