Graphics and Programming
Collect free online guides and tutorials about graphics and programming, and in particular new technologies and new languages that serve to create virtual reality environments and advanced web applications, using open source and non-open resources.
Guides and Handbooks:
Recent articles:
Krita guide to new shortcuts/hotkeys and pdf
In this guide we present the main shortcuts/hotkeys for Krita (tested in version 5.1.5), to be used with keyboard and mouse, with a brief explanation of the functions they are associated with. At the bottom of the page you can download a document in pdf format with the list of ...
Blender: how to add multiple materials to one object
In this tutorial we are going to see how to add multiple materials to a single object or mesh in Blender. It is one of the problems and doubts that arise when starting to learn how to use this 3D modeling software, but the solution is relatively simple. Later we ...
How to selectively blur an object in Blender and animation
In this tutorial we will show how to selectively blur an object in Blender using the "Compositor", leaving the nearby ones unchanged, regardless of the distance from the camera. We will first use the "Object Index Pass" with the "ID Mask" node in Cycles, then with the "Cryptomatte" node in ...
Blender: Adding reflections to only part of an object
In this tutorial we will see how to add a reflection only to a part of an object/mesh in Blender, using the "View layers" in the Compositor. For example (as we had been asked on social media) if we want to create a building with a metal structure, with an ...
Blender: complete guide to the Ivy Generator add-on
In this complete guide to the Ivy Generator add-on for Blender we will see how to use it to easily add ivy to an object, we will analyze its parameters by presenting various examples, and finally, since this tutorial is part of the course "Blender course: from photo to 3D ...
Blender: how to add graffiti to a wall
In this tutorial we will see how to add a graffiti/text/stencil to the "wall" that we had created in Blender in the previous tutorials of the "Blender course: from photo to 3D wall" mini-course. We will use as the graffiti image, to apply the wall, the one we created in ...
How to make graffiti in Krita
In this tutorial in english for Krita we will see how to create graffiti in Krita. We will use as a base texture the image of a wall (the "diffuse" texture of the mini course "Blender course: from photo to 3D wall" of which this tutorial is a part) downloaded ...
Blender tutorial: how to add dirt to a wall
In this fourth tutorial of the mini-course in english for Blender "Blender course: from photo to 3D wall", we will see how to add dirt to the wall, with stains of humidity and mold, to which we had assigned a PBR material in the previous tutorial ("PBR material for brick ...
Blender tutorial: PBR material for brick wall
In this fourth tutorial of the mini-course in english for Blender "Blender course: from photo to 3D wall", we will see how to create a PBR material for the wall we are making, using the maps we had previously saved. A PBR (Physically Based Rendering) material is a material that should ...
Guide to Node Wrangler addon for Blender and pdf shortcuts
In this tutorial in english for Blender the main functions of the "Node Wrangler" addon are presented, with the relative shortcuts (of which you can download a list in pdf at the end of the page). For this guide we used Blender 3.1 and Node Wrangler 3.38, but the concepts ...