===== Objetos para imprimir =====
  * http://akirasan.net/vela-de-cumpleanos-3d/
  * http://akirasan.net/baliza-vial-sos/
  * https://www.impresoras3d.com/reutiliza-botellas-de-plastico-con-impresion-3d/
  * https://www.impresoras3d.com/impresiones-3d-utiles-para-tu-cocina/
  * https://www.impresoras3d.com/que-hacer-con-las-bobinas-de-filamento/

==== Buscadores de piezas ====
  * https://www.yeggi.com/
  * https://www.yobi3d.com
  * https://www.stlfinder.com/
  * http://tridimensia.com/
  * https://cults3d.com/
  * https://free3d.com/
  * https://grabcad.com/
  * https://www.thingiverse.com/
  * https://www.youmagine.com/
  * https://www.myminifactory.com/
  * https://pinshape.com/
  * http://www.3dshook.com
  * https://3dwarehouse.sketchup.com

==== Referencias ====
  * https://www.3dnatives.com/es/top-10-de-las-mejores-sitios-web-para-descargar-archivos-stl-27012016/