Optical drive linear actuator V2 - with integrated limit switches

// Here you can find my new project which also use parts from optical drive https://www.thingiverse.com/thing:5201443

This is upgrade of my previous version I posted here.I also added second actuator without external shaft.These models differs from the previous version in that they allow to install limit switches inside actuator frame.
Parts needed from cd/dvd drive:
-3mm shaft
-linear stepper motor
-slide bushes
-M3 screws

Optional mouse limit switches - im using these, model D2F-L3 https://s.click.aliexpress.com/e/_DDg5JL5

How it works & lift test: https://youtu.be/_XdJ7rqTPUw

Step files: https://drive.google.com/drive/folders/1Xz385k_Gf5eYcKJpisetwqBsru13ryDk?usp=sharing

// update
added 2 files - A_Frame_with_bearing & A_Cover_with_bearing - this is model A but with fixed mount for LM3UU bearings if you dont have slide bushes.I printed it and all fits well but didnt tested on working actuator
Link to bearings for this frame (LM3UU) https://s.click.aliexpress.com/e/_DC4Xs5b