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Este libro es fruto de la experiencia del autor como profesor de esta materia en la Universidad de Extremadura, en la Escuela que empezó siendo de Aparejadores, después de Arquitectura Técnica, más tarde de Ingeniería de Edificación y actualmente Grado en Edificación. Está dirigido, como es natural, a toda persona interesada en el conocimiento de esta materia y, especialmente, a los estudiantes de todas las escuelas técnicas en las que se imparte su enseñanza. Pensando en ellos el libro se ha estructurado en fichas con objeto de presentar de una forma concisa y fácil de manejar los múltiples temas de la Geometría Descriptiva. Se comienza por los conceptos espaciales que le sirven de apoyo y se continúa con su desarrollo y aplicación en los diversos sistemas de representación. Cada ficha contiene, salvo excepciones obligadas por el tamaño de los dibujos o los textos, un desarrollo gráfico en la parte superior y la explicación teórica en la inferior. Se ha intentado exponer de forma clara y ordenada los conceptos fundamentales de la Geometría Descriptiva, con las aplicaciones que los hagan más comprensibles; procurando dar importancia al fundamento teórico de cada tema, explicando el porqué de cada construcción y relacionando unos temas con otros, ya que entiendo que en la base de todos ellos subyacen unos pocos conceptos, que son los que imprescindiblemente hay que conocer y relacionar. Esos conceptos teóricos básicos son los que precisamente proporcionan capacidad de adaptación a los cambios tecnológicos que continuamente se están produciendo y se producirán en el futuro.