Curtain controller
thingiverse
Source code located at https://github.com/DanGunvald/AutomaticCurtain. Utilizing this as the ball pulley template: https://www.thingiverse.com/thing:1322. Video documentation available at https://goo.gl/photos/xTJrsDxvXeM36JWZ6. Print the ball pulley, ensuring modifications to suit your specific requirements. Measure the diameter of the ball pulley with a chain and adjust the boxwithcontroller file accordingly. For blinds applications, modify the design to meet your needs as well. Using an sg90 servo in my blind setup.
With this file you will be able to print Curtain controller with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Curtain controller.