Customized version of https://www.thingiverse.com/thing:1133110

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=1133110

Using the following options:

id1 = 9.525
id2 = 0
id3 = 9
id4 = 0
id5 = 0
id6 = 0
id7 = 0
id8 = 0
height1 = 8.22
height2 = 8.33
height3 = 8.33
height4 = 0
max_y = 100
shell_thickness = 6
spacing = 2