Let’s Learn Blender! #4: 3D Modelling in Edit Mode!: Part 1

The video titled “Let’s Learn Blender! #4: 3D Modelling in Edit Mode!: Part 1” is part of the educational series created by BornCG. In this tutorial, the focus is on 3D modeling in Blender’s edit mode. The video begins by introducing the concept of 3D modeling and how to manipulate mesh objects. It then explains the different sub-object elements of a mesh object, specifically vertices, edges, and faces. The tutorial proceeds to demonstrate various tools in Blender, including the extrude tool, subdivide tool, loop cut, edge slide, bevel tool, offset edge loop cut tool, and inset faces tool. The content creator, Colin, has been teaching Blender on YouTube since 2011 and also offers tutorials on using the Godot game engine. Viewers are encouraged to like, subscribe, and click the notification icon for future updates.

In order to engage with 3D modeling in Blender, understanding the different modes for selecting objects is crucial. The video explains that objects can be selected in different modes, such as object mode and edit mode. Edit mode allows for the selection and manipulation of vertices, edges, and faces using a variety of tools. Switching between object mode and edit mode can be done by pressing the tab key on the keyboard. The video also highlights the toolbar, which provides options for moving, rotating, scaling, and transforming objects and elements in edit mode. Additionally, the content covers various techniques for extruding, creating loop cuts, sliding edges and vertices, using the bevel tool, offsetting edge loop cuts, and creating inset faces. The video encourages viewers to practice these tools and offers time code links in the description for easy navigation.

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Introduction to 3D modeling

3D modeling is the process of creating three-dimensional objects using specialized software. In the context of Blender, 3D modeling refers to the manipulation of mesh objects in the software’s edit mode. Mesh objects are comprised of various sub-object elements, including vertices, edges, and faces, which can be selected and modified to create different shapes and structures.

Manipulating mesh objects

In Blender’s edit mode, mesh objects can be manipulated using a variety of tools and techniques. This allows for precise control over the shape and structure of the object being created. By selecting specific vertices, edges, or faces, users can move, rotate, scale, and transform them to achieve the desired result.

Understanding vertices, edges, and faces

Vertices are the individual points that make up the corners of a mesh object. They define the shape and structure of the object. Edges, on the other hand, are the lines connecting pairs of vertices. They form the outline or boundary of the object. Lastly, faces are the flat surfaces or sides of the object that are formed by connecting three or more edges.

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Overview of tools in Blender

Blender comes equipped with a wide range of tools that facilitate the 3D modeling process. These tools include the extrude tool, subdivide tool, loop cut, edge slide, bevel tool, offset edge loop cut tool, and inset faces tool. Each tool serves a specific purpose and allows users to perform different operations on their mesh objects.

Switching Between Object Mode and Edit Mode

The process of 3D modeling in Blender involves switching between different modes for selecting objects. The two primary modes are object mode and edit mode. Object mode allows users to select and manipulate entire objects as a whole, while edit mode allows for the selection and modification of individual vertices, edges, and faces.

Using the tab key

To switch between object mode and edit mode, users can simply press the tab key on their keyboard. This provides a quick and convenient way to navigate between the two modes and access the necessary tools and options for 3D modeling.

Selecting objects in edit mode

While in edit mode, users can select specific vertices, edges, or faces by clicking on them with the mouse. Multiple elements can be selected at once by holding down the shift key while making the selection. Additionally, the number row keys can be used to switch between vertex, edge, and face select modes for enhanced control and precision.

Manipulating Objects and Elements in Edit Mode

Using the toolbar options

Blender’s toolbar provides a variety of options for manipulating objects and elements in edit mode. These options include the ability to move, rotate, scale, and transform objects and elements with ease. By selecting the desired tool from the toolbar, users can make precise adjustments to their mesh objects according to their specific requirements.

Moving objects and elements

To move objects and elements in edit mode, users can select the desired vertices, edges, or faces and then use the move tool to relocate them within the 3D space. This allows for fine-tuned positioning of the object’s components and helps in creating the desired shape and structure.

Rotating objects and elements

Blender’s rotate tool enables users to rotate objects and elements in edit mode. By selecting the desired vertices, edges, or faces and using the rotate tool, users can adjust the orientation and position of the components to achieve specific angles or alignments.

Scaling objects and elements

Blender’s scale tool allows for the resizing of objects and elements in edit mode. By selecting the desired vertices, edges, or faces and using the scale tool, users can increase or decrease the size of the components according to their desired proportions and dimensions.

Transforming objects and elements

Blender’s transform tool provides a comprehensive set of options for manipulating objects and elements in edit mode. This tool allows users to perform various transformations, such as translation, rotation, and scaling, on their selected components. By using the transform tool, users have greater control over the overall shape and structure of their mesh objects.

Extruding Objects and Elements

Extruding faces

The extrude tool in Blender allows users to create new geometry by extending selected faces in edit mode. By selecting the desired faces and using the extrude tool, users can pull them outwards or inwards, creating a new set of faces that are connected to the original ones. This technique is commonly used to add depth and complexity to a mesh object.

Extruding edges

Similar to extruding faces, extruding edges involves extending selected edges in edit mode. By selecting the desired edges and using the extrude tool, users can create new edges that are connected to the original ones. This technique is often used to create additional geometry or to adjust the shape of the object.

Extruding along normals

Blender’s extrude tool also allows for extruding along the surface normals of the selected faces or edges. By choosing this option, users can create geometry that follows the existing curvature of the mesh object. This technique is useful for adding intricate details or contours to the object.

Extruding to the cursor

Blender provides the option to extrude selected faces or edges towards the 3D cursor. This allows users to control the direction and position of the extrusion more precisely. By aligning the cursor to a specific location, users can create complex shapes and structures with ease.

Using the Loop Cut Tool

Creating additional cuts along edges

The loop cut tool in Blender enables users to create additional cuts along selected edges in edit mode. This tool is useful for adding more geometry to the object and facilitating more detailed modeling. By selecting the desired edges and using the loop cut tool, users can divide the edges into multiple segments.

Creating additional cuts along vertices

In addition to creating cuts along edges, the loop cut tool in Blender also allows users to create additional cuts along selected vertices. By selecting the desired vertices and using the loop cut tool, users can add more segments to the mesh object, resulting in a more refined and intricate structure.

Using the Bevel Tool

Rounding or chamfering edges

The bevel tool in Blender enables users to round or chamfer selected edges in edit mode. By adjusting the bevel settings, users can control the amount of smoothing applied to the edges, resulting in a more polished and realistic appearance. This technique is commonly used to create smooth transitions between different surfaces of the object.

Creating inset faces

In addition to rounding or chamfering edges, the bevel tool can also be used to create inset faces. By selecting the desired faces and using the bevel tool, users can create new faces that are inset from the original ones. This technique is useful for creating intricate details or adding depth to the object’s surfaces.

Using the Offset Edge Loop Cut Tool

Splitting an edge loop into multiple loops

Blender’s offset edge loop cut tool allows users to split an existing edge loop into multiple loops in edit mode. By selecting the desired edge loop and adjusting the offset value, users can create evenly spaced loops along the length of the original loop. This technique is useful for refining the topology and creating more complex geometries.

Using the Inset Faces Tool

Creating smaller faces inside a larger face

The inset faces tool in Blender allows users to create smaller faces inside a larger face in edit mode. By selecting the desired face and using the inset faces tool, users can create a new set of faces that are inset from the original one. This technique can be used to add detail and intricacy to the object’s surfaces.

Considerations for Mesh Scale

Effects of mesh scale on tools

It is important to consider the scale of the mesh object when using certain tools in Blender. The scale of the object can affect the results of tools such as bevel and inset faces. Scaling the object uniformly or non-uniformly can lead to unexpected or undesirable outcomes, and it is essential to adjust the scale appropriately to achieve the desired results.

Adjusting scale for desired results

To ensure accurate and consistent results when using tools in Blender, users should pay attention to the scale of their mesh objects. It is recommended to apply scale transformations before performing certain operations to maintain proper proportions and achieve the desired outcome. Adjusting the scale of the object can prevent issues and ensure more predictable results.

Conclusion

In this comprehensive guide on 3D modeling in Blender’s edit mode, we have explored a variety of tools and techniques for manipulating mesh objects. We covered the different modes for selecting objects, such as object mode and edit mode, and learned how to switch between them using the tab key. We also discussed the various ways to manipulate objects and elements, from moving and rotating to scaling and transforming.

Additionally, we explored the functionality of several essential tools in Blender, including extrude, loop cut, bevel, offset edge loop cut, and inset faces. Each of these tools offers unique capabilities that enable users to create intricate and detailed 3D models.

We also emphasized the importance of considering mesh scale and its effects on the modeling process. Adjusting the scale of the object can greatly impact the outcome of certain tools and operations, and it is crucial to maintain proper proportions throughout the modeling process.

By following the techniques and guidelines presented in this article, users can enhance their 3D modeling skills in Blender and create high-quality and visually stunning 3D models. We encourage readers to continue exploring Blender’s extensive capabilities and to further expand their knowledge and expertise in the field of 3D modeling.

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