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I am having a lot of trouble starting with blender. I am trying to make a train track to start but I am having a lot of trouble creating the shapes. When I click on Add → Mesh → Cube, it gives be a cube that I do not know how to resize.

What are some general ways that I can resize, modify and go about transforming the default primitive objects in Blender?

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For a very, very quick start. The absolute 3 things you need to know to begin effectively modeling in Blender are:

  1. Interaction Modes

    • Object Mode

      You are placed in object mode by default when you add a new primitive. You can translate, rotate and scale the object along the three axes whilst in this mode but to get finer control, you want to enter edit mode. Use Tab to enter edit mode from object mode.

      enter image description here

    • Edit Mode

      In edit mode, you have access the underlying structure of the object, you have much more control here and this is where you will spend most of your time when modeling. Likewise, use Tab to exit edit mode and enter object mode.

      enter image description here

  2. Mesh Select Modes

    Once you are in edit mode, you have 3 different control handles that you can use to help shape the mesh. These are pretty intuitive so I won't explain them and you can read more about these on the relevant wiki page.

    • Vertex

      enter image description here

    • Edge

      enter image description here

    • Face

      enter image description here

  3. Mesh manipulation

    This is how you can shape and tweak your mesh. While you can do this object mode as well, you have much more control while you are in edit mode as you have access to the mesh control points.

    • Translate

      enter image description here

    • Rotate

      enter image description here

    • Scale

      enter image description here

If you can understand those, you are on your way. Once you are past this stage, you can start looking at more advanced things such as extrusion, beveling and modifiers etc.

There is too much information to go into here and this should suffice. Your next steps would be to:

Also, some common shortcuts that you should learn are:

  • G to grab (translate)
  • S to scale
  • R to rotate

Nail these basics and you will be making your own models in no time, using the basic steps above, you can make your train tracks easily by just scaling and translating simple cubes.

enter image description here

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You need to be in edit mode to model. Press [tab] or select edit mode in the toolbar. You can then select the dots (vertices) using right click, and change their position.

  • Use G to grab and move the vertices around.
  • R to rotate them
  • S to scale

By pressing X, Y or Z immediately afterwards, you can limit the transformation to only one specific axis.

You should have a look at this modeling introduction: http://useblender.com/Basic_Modeling.html

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