NSFW
The printed part is the orange thing holding 16mm rods in place, i'Ve used cheap electrical rod.
The Samla stl i'Ve used is from 3dpartmaker over at https://www.thingiverse.com/thing:4614692
You may change the d, h or w variable.
d ist for rod Diameter
h is for filament Height
w is for rod width
The author marked this model as their own original creation.