thang010146 | Three-step folding ladder 2 @thang010146 | Uploaded 5 months ago | Updated 2 days ago
Turn the yellow and beige frames to fold or deploy the ladder.
The yellow frame, blue steps and pink bars form a parallelogram mechanism.
There are V-shaped grooves on the back of the top step to lock the ladder in the deployed state.
This video is made based on video
youtu.be/6aKsI14fBdQ

STEP files of this video:
mediafire.com/file/u5rocccqr7wv18j/ThreeStepFoldingLadder2STEP.zip/file
Inventor files of this video:
mediafire.com/file/mj2fx3smhcvtep6/ThreeStepFoldingLadder2Inv.zip/file