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Blender is a free 3D modeling/rendering program.
[Blender https://www.blender.org/] is a free 3D modeling/rendering program.


== Common Shortcuts ==


=== Camera Manipulation ===
== Topics ==
* '''Scroll Wheel''' - Zoom camera in/out.
* [[Blender/Shortcuts]]
* '''Middle Mouse''' - Rotate camera.
* [[Blender/Material Properties]]
* '''Shift''' + '''Middle Mouse''' - Drag camera.
* Number pad '''.''' (period) - Quick focus to object
* Number pad '''1''' - Quick focus to y-axis.
* Number pad '''3''' - Quick focus to x-axis.
* Number pad '''7''' - Quick focus to z-axis.
* '''Z''' - Bring up menu to choose camera view type.
 
=== General Manipulation ===
For the following keys, click and hold middle mouse button to choose dimension to apply manipulation to.<br>
Alternatively, hit the appropriate key for the dimension ('''x''' for x-axis, '''y''' for y-axis, '''z''' for z-axis).
 
* '''G''' - Grab and move selected object.
* '''R''' - Rotate selected object.
* '''S''' - Scale selected object.
 
At any point, '''left click''' to apply manipulation or hit the '''esc''' key to cancel.
 
=== Object Mode ===
* '''Ctrl''' + '''P''' - With two or more objects selected, group objects together with the most recently selected one being the parent.
 
=== Edit Mode ===
* '''Alt''' + '''left click''' - Select all vertices on the clicked object edge.
* '''Ctrl''' + '''L''' - When one vertex is selected, selects all other connected vertices on the object.
* '''H''' - Hide selected vertices (and directly connected panels).
* '''Alt''' + '''H''' - Unhide all hidden vertices (and hidden panels).
* '''E''' - "Extrude" new face from selected vertices.
 
=== Sculpt Mode ===
* '''Ctrl''' + '''left click''' - Push in instead of extend out.
* '''F''' - Change brush size.
* '''Shift''' + '''F''' - Change brush strength.
 
=== Other ===
* '''Shift''' + '''A''' - Bring up the "add new" menu.
* '''f12''' - Create full render.
 
 
== Material Properties ==
"Material" settings on an object effectively control how light interacts and reflects off of said object.
 
For example, material settings can be used to make an object look reflective (light bounces off), look like glass (light goes through), look like chalk (light is very diffused at the microscopic level), or other such interactions.
 
For a detailed, scientific description of material properties, see https://docs.blender.org/manual/en/latest/render/shader_nodes/shader/principled.html
 
=== Property Values ===
* '''Base Color''' - The underlying/overall color of a material.
* '''Subsurface''' - Allows light to enter the object, bounce inside it, and reflect back out. 0 leads to a more plastic-like look. 1 gives a more waxy look. Note that subsurface is also important for flesh/skin type materials.
* '''Subsurface Color''' - The general color of light given off upon entering an object due to subsurface scattering.
* '''Specular''' - Related to IOR. Can usually be left alone. Alternatively, calculate with the formula {{ ic | ( ( IOR − 1 ) / ( IOR + 1 ) ) ² / 0.08 }}. See [https://www.blendernation.com/2018/11/05/blender-3d-tip-realistic-specular-value-in-principled-shader/ this link] for more info.
* '''Roughness''' - How reflective a material looks. 0 is completely reflective, like a mirror. 1 is no light reflection, almost as if it's made of chalk.
* '''IOR''' ('''Index of Refraction''') - Indicates how much light rays are bend when they are reflected or refracted. For a comprehensive list, see  https://pixelandpoly.com/ior.html
* '''Emission''' - Essentially lets the object emit its own light source. Can provide a radioactive or neon type look.

Revision as of 17:13, 18 January 2021

[Blender https://www.blender.org/] is a free 3D modeling/rendering program.


Topics

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