Customized version of https://www.thingiverse.com/thing:1102812

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=1102812

Using the following options:

Height = 32
BackThickness = 2
Depth = 47
FilletRadius = 6
ArmThickness = 4
ArmWidth = 8
AngleDegrees = 25
AngledLength = 4
SlotWidth = 6
SlotCount = 5
$fn = 50
HoleStyle = 1
BoltDiameter = 4
BoltHeadDiameter = 8
BoltCount = 2