2462 Posts
This thread is intended for Mecabricks users with admin rights on the part library. It provides additional information when the process changes.

Base Materials
Until today base material was automatically detected based on the diffuse map. However it was often inaccurate and could only store one reference. It is now required to manually enter the base material references. For 95% of the parts there will be only one value, but for elements like the dual moulded legs or the Batman armour 34706d1 you may need to add additional references. values shall be separated by a comma and the first one represents the master value.

This value is currently only used for rendering. It shall be a valid JSON array. You shall not define it yourself but only copy and adapt it from a similar existing part.

Whenever roughness values are not standard, they shall be specified for each base materials. Two parameters are available: strength and size.

24 Jun 2019, 04:34
Edited 28 Jun 2019, 00:00
2462 Posts
Colour chart has been updated. Most transparent values have been changed.
25 Jun 2019, 06:54
308 Posts
Following this thread to get notifications.
25 Jun 2019, 08:36
196 Posts
Same as Sealund, good work scrubs!
25 Jun 2019, 22:20
2462 Posts
I rewrote the icon generation system:
- Data transfer is not based on the old Collada format but instead it uses my custom solution.
- Materials are identical to the render mode and as such they support the same features (roughness, multi-materials, etc.)
27 Jun 2019, 06:40
Edited 27 Jun 2019, 06:43
308 Posts
Could you explain more about the identifier value? For the example above i understand that 316 is for Titanium metallic but where does 1026 come from? I guess that's the rubber material but where do I find it? Are there any other material identifier we should know about?
27 Jun 2019, 22:04
2462 Posts
You can see the identifier in the material tab under rubber. TLG doesn't make the difference between solid and rubber. So I just added 1000 to the solid references: 26 -> 1026 for Black.

27 Jun 2019, 22:22
Edited 27 Jun 2019, 23:40
308 Posts
Ok, it was that simple! smiling face with open mouth
27 Jun 2019, 22:22
308 Posts
What should the roughness value be for heads? I can't find any in the the existing?
27 Jun 2019, 23:07
2462 Posts
You shall leave it empty. It will use the default value.
27 Jun 2019, 23:34
2462 Posts
I just added one last modification to the icon system. I uses the high level of detail version of the elements with the mould details when available. These are mainly minifigure parts for now but they look way nicer.
27 Jun 2019, 23:39
Edited 27 Jun 2019, 23:41
11 Posts
27 Jun 2019, 23:56
2462 Posts

Some colour values have been updated today and they shall be used from now on. These are the following:

- 353 Vibrant Coral #FF6666
- 38 Dark Orange #91501C
- 192 Reddish Brown #5B2D0E
- 191 Flame Yellowish Orange #FCB100
- 226 Cool Yellow #FDF683
- 268 Medium Lilac #491D8E

This modification is not something I took lightly. This is only the second time in 7 years that some core values have changed. After spending weeks working on the materials I thought that it was the right time to make this update. I have been focusing on the values bothering me for years due to their inaccuracy.

It would be awesome if you could slowly update your old textures. I am not too concerned about the prints or stickers but mainly when the value is used for the base material as it will cause some issues at render time with masking. I can give you the list of your files if you wish.

- 353: 1 texture
- 38: 43 textures
- 192: 235 textures
- 191: 100 textures
- 226: 13 textures
- 268: 94 textures

Thanks for your understanding.
28 Jun 2019, 05:23
Edited 28 Jun 2019, 05:30
308 Posts
Sure, give me a list and I'll change mine if i have some?
28 Jun 2019, 05:56
543 Posts
So, do us decal submitters need to update our decorations?
28 Jun 2019, 15:52
543 Posts
[Content deleted]
Sorry, had a weird reload error with my browser. disappointed face
28 Jun 2019, 15:54
Edited 28 Jun 2019, 15:56
2462 Posts
For multi-materials parts with multiple materials of the same type and no printed areas e.g.35660d3, I created generic materials maps that we can re-use everywhere needed:
- Solid: solid_materials.png
- Transparent: transparent_materials.png (only for transparent materials with diffuse factor = 0)
29 Jun 2019, 03:21
Edited 29 Jun 2019, 08:10
228 Posts
I was immersed at my work, so i'll try to get back in the rut smiling face with open mouth and smiling eyes
5 Jul 2019, 19:11
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