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AutoCAD 3D - Ejercicio 01

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AutoCAD beginners learning 3D solid modeling techniques.

TL;DR

This tutorial demonstrates creating a 3D solid in AutoCAD by extruding profiles from front and right views, then using Boolean subtraction. It covers workspace setup, drawing with lines and mirror, joining to polylines, and extruding to form the final object.

Key Takeaways

In This Video

  1. 00:00Introducción al ejercicio 3D

    Inicio del tutorial de sólidos 3D en AutoCAD.

  2. 00:28Vistas y perfil frontal

    Se explica el sólido y se dibuja el perfil frontal.

  3. 02:27Uso de mirror y join

    Se completa el perfil simétrico y se convierte en polilínea.

  4. 05:33Extrusión del primer perfil

    Se extruye el perfil frontal 50 unidades.

  5. 05:56Dibujo y extrusión del segundo perfil

    Se dibuja el perfil en vista right y se extruye 40 unidades.

  6. 07:31Movimiento y sustracción de sólidos

    Se mueve el segundo sólido y se resta del primero.

  7. 08:20Visualización final del sólido

    Se cambia a estilo conceptual para ver el resultado.

Questions & Answers

how to start 3d modeling in autocad
Switch workspace from Drafting & Annotation to 3D Modeling. Change view from Top to Front to draw the first profile.
autocad 3d extrude profile steps
Draw profile with lines, use Join to convert to polyline, then Extrude. For the first profile, extrude 50 units.
how to mirror a profile in autocad
Use the Mirror command (mi). Select the lines, pick two endpoints of the symmetry line, and press Enter to keep original.
autocad subtract solids tutorial
Use Subtract command. Select the larger solid first, press Enter, then select the smaller solid and press Enter.
how to change view in autocad 3d
Click the view option and select Front, Right, or Southeast Isometric to align the drawing plane.
autocad join lines into polyline
Type J (Join), select all line objects, press Enter. The lines become a single polyline ready for Extrude.

Key Terms

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Source

YouTube video. Original: https://www.youtube.com/watch?v=CjQLaAAfUMQ
Transcript captured and processed by youtube-transcript.ai on 2026-07-15.