Diseño de piezas

Programas de diseño

https://all3dp.com/es/1/mejores-programas-cad-gratuito-programas-diseno-cad-2d-3d/

Cursos de diseño en 3d

http://diwo.bq.com/course/curso-de-introduccion-a-freecad/

tutoriales freecad I

Tutoriales freecad II

Tutoriales Openscad

http://www.iearobotics.com/wiki/index.php?title=Obijuan_Academy

https://www.youtube.com/user/obijuancube

Bibliotecas de piezas para imprimir

https://all3dp.com/printables/

https://all3dp.com/1/free-stl-files-3d-printer-models-3d-print-files-stl-download/

https://cults3d.com/

https://descubrearduino.com/imprimir-3d-navidad/

https://www.thingiverse.com/

https://pinshape.com/

https://www.myminifactory.com

https://hackaday.io/submissions/repairs-you-can-print-contest/list

https://www.youmagine.com/

https://www.yeggi.com/

https://grabcad.com/

https://www.stlfinder.com/

https://3dprint.nih.gov/

https://www.yobi3d.com/

https://3dwarehouse.sketchup.com/

https://www.tinkercad.com/things

Referencias

https://www.aniwaa.com/best-sites-download-free-stl-files-3d-models-and-3d-printable-files-3d-printing/

http://diwo.bq.com/diseno-para-impresion-3d/

http://www3.gobiernodecanarias.org/medusa/ecoescuela/3d/impresion-3d/repositorios-de-modelos-3d/#more-288

https://of3lia.com/diseno-3d/