Customized version of https://www.thingiverse.com/thing:3141591

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=3141591

Using the following options:

bed_xsize = 300
bed_ysize = 300
bed_margin = 15
first_layer_thick = 0.24
line_size = 2.4
element_shape = 0
element_size = 12
element_thick = 0.32
array_xsize = 3
array_ysize = 3