Uniones de piezas en freecad (snap-fit enclosures)

1. https://formlabs.com/blog/designing-3d-printed-snap-fit-enclosures/
2. https://www.3dhubs.com/blog/cad-modeling-1-enclosures
3. https://www.3dhubs.com/blog/cad-modeling-2-living-hinges
4. https://www.3dhubs.com/blog/cad-modeling-3-snap-fits (*)
5. https://youtu.be/6Nu8y0C0nvg
6. Piezas en Internet: https://grabcad.com/
7. Modelado de NodeMCU: https://grabcad.com/library/lolin-nodemcu-esp8266-development-board-v3-1
8. Modelado de arduino uno: https://grabcad.com/library/arduino-uno-reference-design
9. Prototipos de carcasas: https://www.youtube.com/watch?v=38Z7E8OcVd8
10. Más sobre snap-fits: https://www.3dhubs.com/knowledge-base/how-design-snap-fit-joints-3d-printing/