First IKEA Alex drawer modified for full extension. First pic shows the difference.

Cut a groove to allow the slides to glide a bit using 3D printed groove cover. The retaining screw is placed inside small insert so it glides nicely and prevents the trash wood IKEA uses from chipping.

There’s noticeable friction when the gliding starts but nothing that hinders opening and closing. Having the last 1/4 of the drawer perfectly accessible is more than worth it.
#handyman