Customized version of https://www.thingiverse.com/thing:2530719

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=2530719

Instructions

Using the following options:

width = 78

depth = 78

height = 78

thickness = 1.8

overlap = 3

vent_type = circle

vent_angle = 45

vent_w = 0

vent_spc = 0.9