This modified version uses M3x12 bolts instead of M5s, as M3s have by far enough strength to hold the weight of the printer. Also, I did not have M5 blots and nuts laying around.
BOM (per handle):
2x M3x12 bolts of any type
2x 2020 extrusion nut
Original model by jeoje: https://www.teamfdm.com/files/file/243-sturdy-handles/
The user re-uploaded this model. The user is not the original author of the model.