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--- ig:gfx:model-type-extrusion [2025/10/29 11:00] – created ig_ii
+++ ig:gfx:model-type-extrusion [2025/10/30 08:44] (current) – [Model Type: Extrusion 1.1] ig_ii
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 ====== Model Type: Extrusion 1.1 ======
+^ **Figure 19: Extrusion 1.1 Model** ^
+| {{:ig:gfx:modelprocessor:extrusion_grpahic.png?nolink&600|}} |
+^ Caption ^
+| 3D illustration of the Extrusion 1.0 model. A 2D profile (\textit{a}, \textit{b}, \textit{c}, \textit{d}, \textit{e}, \textit{f}) defined in the **paths** array is extruded along the $E$ vector with default 'up' as $U$ (parallel to the $z$-axis) by a specified **length**. It is typically used to generate flat laying surfaces; with $U = Z$, the surface lies horizontally. |
 The **Extrusion 1.1** model generates a 3D solid by extruding a 2D profile along a specified axis. This model is ideal for producing flat or vertically extended components, where the shape is constant along the extrusion direction.
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 []
 *Figure: 3D illustration of the Extrusion 1.0 model. A 2D profile (**a**, **b**, **c**, **d**, **e**, **f**) defined in the **''paths''** array is extruded along the $E$ vector with default 'up' as $U$ (parallel to the $z$-axis) by a specified **''length''**. It is typically used to generate flat laying surfaces; with $U = Z$, the surface lies horizontally.*
-{{newpage}}
 === Required Parameters ===
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 //This section describes the geometry generation behavior of the Extrusion 1.1 model, applicable in IG.Model.Processor version ≥ 1.4.0.100.//
-{{newpage}}
+===== History =====
+^ **Version** ^ **Date** ^ **Changes / Notes** ^ **Processor Version** ^
+| **1.1** | 2025-10-30 | Support for soft and flat shading, auto UV, and new deduplication for mesh.| ≥ 1.4.0.100 |
+| **1.0** | 2025-08-12 | Initial implementation of linear extrusion from closed 2D profiles. | 1.3.0.100 |