this device makes it possible to automate the pressing of antiseptic gels, there is a proximity sensor and an arduino card which, when it detects the hand, activates the servomotor that presses the gel.

FR TUTO :
https://bloctechno.wordpress.com/2020/03/23/corona-virus-riposte-1-presse-gel-antiseptique-automatique/

or
EN TUTO:
https://www.instructables.com/id/Corona-virus-Riposte-1-Automatic-Antiseptic-Gel-Pr/

darky-pro

No

Yes

0.2

15

For screw, nut and connecting nipple, use 50 % infill, et 0.2 resolution

For the rest (hand block, cover, piston) 0.4 resolution will suffice and 15 % infill