Print 2 of these.
Loosen the bolts on the acrylic sides of the platform.
Insert these parts in the front and back.
(It is intentionally 2mm wider then the original one, so it slides off easily later.)
Drill holes for the one bolt per side.
Remove the original bolts and insert them into their new location.
Cut the acrylic around the original bolt hole.
To remove the ABP, just
remove the 2 bolts per side on the horizontal part
and pull the ABP up.