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  8880 Lego Technic car
Posted by: hehud - 2021-12-19, 18:42 - Forum: Official Models - No Replies

[Image: AVvXsEhzcAF-gTpIqJNAZ1DKC3X2cZhDWaHdfkbr...43g7=s2491]

full part,  some mistakes with the angles no stikers.

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  Axl2hole primitive redesign
Posted by: Philippe Hurbain - 2021-12-18, 19:24 - Forum: Parts Tracker Discussion - Replies (5)

Looks good to me. While we are on this, perhaps the thin triangle of axl2 could be made less sharp, it's actually blunt/rounded.

.jpg   PXL_20211218_192113085.jpg (Size: 52.81 KB / Downloads: 103)

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  i need more bionicle parts for leocad program
Posted by: jguest95 - 2021-12-17, 17:29 - Forum: Part Requests - Replies (2)

guys i just started using leocad and i notice that there are not many lego or bionicle parts in it and i need the skulls and masks to make bionicle mocs, if possible can you guys please help me on how to add em

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  script error?exceeded time?
Posted by: HWQ - 2021-12-17, 5:58 - Forum: General LDraw.org Discussion - Replies (1)

script error?exceeded time?  
"runAutoSteps" execution exceeded the maximum duration of 250ms. Huh
How to cancel the time limit

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  Help required using LDCad
Posted by: Martin Stockton - 2021-12-16, 8:28 - Forum: All Other Programs. - Replies (14)

Hi all, I hope that someone will be able to point me in the right direction. Two things;
1.  Using LDCad how do i upload missing items or new items? 
2.  Can anyone help me with manipulating Pneumatic pipes as I install them. I can place them ok at either end and lengthen them using the small balls, but can't work out how to move the pipe through or around obsticals!!

Thank you in advance for any help and please be aware that any explanation will have to be dumbed down to my level!!!!!!

Cheers Martin Smile

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  Aligning parts using rotation scripts
Posted by: David Manley - 2021-12-16, 8:24 - Forum: LDraw Editors and Viewers - Replies (35)

1. Background

A few months ago, I wrote a Lua script for LDCad to animate the rotation of a 4 (or 3) bar linkage, posting the script to the LDraw forum. Writing that script got me thinking about writing a script which would determine the joining point for two parts, each being rotated about their own designated rotation point.

I’ve now written a version of the script. This post describes how to use the script and provides details about downloading and installing the script.


2. Expectations

The aim of the script is to provide a point-and-click mechanism to rotate parts within LDCad. Conceptually, the parts serve different purposes; some are identified as a rotation origin, some are identified as being aligned to another part and some parts are those which are being rotated. Although this post tends to use the term part, the script can also be used with sub-files.

The script provides solutions for two different scenarios

  • rotating a single part to a designated alignment point
  • rotating two parts to a join point common to both parts

Images from an incomplete model of set 9748-1 (a current work-in-progress) illustrate the script's capabilities.

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  Help with edge prim
Posted by: Willy Tschager - 2021-12-15, 19:27 - Forum: Parts Authoring - No Replies

Anybody with a suitable code using edge prims for these intersections?

1 9 93 -103 70 4 0 0 0 20 0 0 0 4 4-4cylo.dat
4 9 89.304 -85 71.531 91 -85 80 91 -103 80 89.304 -103 71.531
4 9 95.828 -103 67.172 100 -103 71 100 -85 71 95.828 -85 67.172
1 9 96 -92 60 4 0 0 0 0 -4 0 11 0 2-4cyli.dat
3 9 92 -92 70 92 -92 60 60 -92 60
1 9 79.093 -90 65.966 .895 11.6199 0 0 0 3 -2.864 3.6315 0 4-4cyli.dat


w.

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  looking for ldcad linkage animation help
Posted by: liu - 2021-12-13, 4:30 - Forum: Rendering Techniques - Replies (10)

tried several hours couldn't sove it

https://youtu.be/QSMPZDEJ_H4

ldr file I'v upload to google drive  https://drive.google.com/drive/folders/1...sp=sharing

Could somebody help me?

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  Part 2853
Posted by: N. W. Perry - 2021-12-13, 3:32 - Forum: Parts Authoring - Replies (4)

Why is this part 10.2+29.8 in length rather than 10+30? When assembled in an engine, all it does it create a collision:
   

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  LDInstruction
Posted by: Stefan Frenz - 2021-12-12, 13:09 - Forum: LDraw Editors and Viewers - Replies (52)

Thanks to all helping me with LDInspector. In the last weeks I wrote a new module to generate instructions from a MPD model. It is far from being complete or feature-rich like LPub3D, but for me it suits better in some situations. The generated file is a LibreOffice Draw (odg) file, so further modification is very easy and only limited by LibreOffice.

You may give it a try if you have Java installed (no need for JavaFX for this module). You only need the jar file and a context definition file LDInspector.ldi - you can use the one created by LDInspector or create one containing one line per LDraw part source like in

Code:
0 FILE LDIContext.ldi
0 LDInspector context configuration
0 Name: LDIContext.ldi
0 Author: LDInspector

0 !LDINSP PART_SOURCE [type=Directory] [origin=ofc] [dest=/path/to/ldraw/]
0 !LDINSP PART_SOURCE [type=ZIP] [origin=uno] [dest=/path/to/ldraw/Unofficial/ldrawunf.zip]
where parameter type is one of "Directory" or "ZIP" and origin is one of "ofc" (official parts) or "uno" (unofficial parts).

To start the GUI, please use
Code:
java -cp ldinstr.jar ldinsp.guisw.InstructionHelper

For a slightly modified version of the 603 model you should get an output odg file looking like the attached image:
   

To me this approach has several PROs and CONs:
  • Pro: single-step processor: there are no commands having range limits ("start-end"), the commands only set parameter ("from here on").
  • Pro: stable behavior even for large projects (tested with >320 pages and >350 steps).
  • Pro: most options may be changed for each step (for example highlight-color etc.).
  • Pro: real WYSIWYG for current model step, option to use and/or overwrite LDCad/MLCad ROTSTEP angles.
  • Pro/Con: not full-featured instruction commands (no arrows, no lines, no number editing), but fully editable in LibreOffice (free placement for all items, changing of all background/frame colors, adding elements like arrows and lines, editable text and numbers).
  • Pro/Con: focus on steps instead of pages, so (pro) you can later change steps with LDCad without risking already done layouts but (con) you have to re-run the build process to see page layout changes.
  • Pro/Con: orthogonal projection, no option to have perspective projection.
  • Pro/Con: completely software rendered, no OpenGL/Vulkan/DirectX acceleration (a bit slow, but no special driver/hardware/library required).
  • Con: no WYSIWYG-gui for pages.

I would appreciate any feedback or even "this could be done easier using x, y or z". Wink If there is interest in this project, the GUI will have to support the process much more than it does at the moment like hinting about options (left align, center align, right align, fixed offset), support in creating a valid LDInspector.ldi file and maybe a page-preview for multiple steps.

Best regards and thanks in advance
Stefan

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