You only need to know 11 modeling tools to get started modeling in Maya. With these you'll be able to model most of environments and props.
Focus on mastering these 11 first.
Learn modeling and UVing using the industry-standard software as complete beginner with "Maya Foundation: Home Study Course".
Extrude will create additional geometry from faces and edges.
Select faces or edges you want to extrude then go to Edit Mesh > Extrude.
Adjust Thickness, Offset and/or Divisions. Here I changed Thickness and Offset:
Keep Faces Together Off will extrude each selected face separately, instead of all together:
Bevel will round out corners of your geometry.
Multi-Cut tool cuts geometry with edges and inserts edge loops. This tool is extremely versatile.
You can access it through Mesh Tools > Multi-Cut or through Modeling Toolkit.
Once enabled, Left Click Hold and Drag on an edge to begin the cut. Continue left clicking to place additional vertices that will be connected with an edge. You must end your cut on a vertex or an edge.
In addition to cutting, you can also insert edge loops.
You can also use Multi-Cut to Slice your geometry very quickly.
Connect Tool inserts additional edges between selected edges.
There are some options in the Modeling Toolkit for the Connect:
Circularize will create a circle shape from selected faces or vertices.
Select 4 or more faces or vertices:
Go to Edit Mesh > Circularize. Add divisions if needed for more rounded circle:
You can circularize a single face but you'll need to add divisions.
Combine: combines selected objects.
Separate: separates combined objects.
Extract: creates a separate, individual object from selected faces.
Creates geometry between faces or open border edges. Great for pipes, curved roads, arches or anywhere you need to create geometry between faces or open border edges.
Meshes being Bridged must be combined into a single mesh. You can't Bridge between two separate meshes.
Select faces or edges you want to bridge between. Number of selected edges or faces on both sides must be the same.
Edit Mesh > Bridge or access through Modeling Toolkit. Add divisions if you need extra edges within the geometry that was bridged.
You can use Bridge to create geometry like arches or curved pipes:
Select open-border edges or faces:
Bridge and then set the following:
If you are getting inverted Bridge result then adjust the Direction Source or Target to plus or minus.
Target Weld merges vertices or edges. Great for optimizing, cleaning up and reflowing topology of your mesh.
Switch to vertex component mode and enable Target Weld through Mesh Tools > Target Weld or access through Modeling Toolkit.
You may also Target Weld edges by switching to Edge component mode and using the same thing you did on vertices.
Booleans allow you to merge 2 or more objects creating more complex shapes that would be difficult to model otherwise.
There are 3 primary Boolean operations:
In Maya 2023, there are more Boolean operations but Union, Difference and Intersections are the core 3.
The major downside of Booleans is they will require cleanup. They tend to leave a lot of n-gons and stray vertices.
To minimize the cleanup and bad geometry, you have to line up your edge geometry ahead of time.
In Maya 2023, Booleans can be edited in real-time. Once you apply a Boolean operation, you can adjust the results by moving the objects around.
Delete History to finalize Boolean operation.
Use Attribute Editor for additional Boolean control such as changing Boolean operation, visibility and changing Boolean layer stack:
We go more in-depth about how to use Legacy Booleans and new Maya 2023 Booleans in the "Maya Foundation: Home Study Course".
Soft/Hard Edges are not so much as a modeling tool but they control how to display your model properly.
Maya will automatically set hard/soft edges for you when you model but sometimes it has a hard time figuring out if an edge should be soft or hard.
Here is an example of a cylinder with all edges set to hard:
To change edges to Soft or Hard, select them first then go to Mesh Display > Harden Edge or Soften Edge:
You can have both hard and soft edges on the same model.
Display visibility of Hard/Soft Edges:
You can also enable this through Custom Polygon Display menu.
Face Normals control which direction the face will render. Sometimes the face normal will be inverted (will be seen as black) and you may need to Reverse the direction of those faces.
Select the face you want to reverse and go to Mesh Display > Reverse.
This was just an introduction into most commonly used Modeling Tools in Maya. We spend a lot more time with each of these tools and more additional tools in "Maya Foundation Home Study Course".
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