Bloques

Bloques 2d de autocad

link: https://www.mediafire.com/?jao40kjie6he8fc

Bloques 2d verctorworts

link: https://www.mediafire.com/?dc32d27k82aavy1

Autos para maquetas

link: https://www.mediafire.com/?z2b9px4xvxbj4jx

Componentes para sketchup

 link:  http://www.sketchupparatodos.com/recursos/componentes/