Version 2 of this WindowOpenr Version: https://www.thingiverse.com/thing:4926859

It was designed to be used on a smaller gab between the window and the window lintel

This version is much more easier to assemble

Parts needed :

1x 10mm M4 thread sphere 2x 6mm 200mm linear shaft 1x 17HS3401 300mm lead screw stepper motor 2x LM6UU 1x 3x6x5mm patch SMD DIP button 1x DC female plug 5,5x2,1mm 2x M3 8mm 2x M3 10mm 2x M3 18mm 2x M3 5mm 6x M3 nut

You also need the flat version from this lead screw nut: 1x T8 lead screw nut (flat version/2-holes) or 1x https://www.thingiverse.com/thing:4815442

The thread of the stepper motor and the linear shafts needs to be trimmed.

Parts printed without support:

Frame.stl BallHolder_A.stl BallHolder_B.stl Slider.stl SliderCover.stl Cover.stl

Parts printed with support:

MotorCover.stl

Additional: If have designed a PCB board which fit in that frame using a Wemos D1 mini and a TMC2208 stepper driver: https://www.pcbway.com/project/shareproject/Wemos_D1_Stepper_Driver_Shield.html