Hi Mr Maciej Stawowski,
I am unsure about the nature of the problem ... if there is some...?
Please consider looking into the attached file demonstrating the creation of patterned bolt/nuts assemblies.
It is worth noticing that pattern object (in F360 as in many other software) is a synonym for arranged references (*pointers, wzorów) to the respective object(s). In this way, a patterned meta-object (meta is overlaying function on the object like in f(g(x)) ) becomes efficient in terms of memory, rendering speed, etc…. However, it is hard not to notice the fundamental requirement here. The pattern’s object (or g(x)) must be self-contained; it can’t refer to external/dependent/interfering object. One abstract example here is … set (1,2,3.0) is patternable in ℝ, but (1,2,3.0, y) might not be (fully) if y doesn’t belong to the set’s domain, e.g. y∈ℂ.
By stepping down on F360 ground, the pattern feature can act on faces, bodies and components. The first two, by their nature, are self-contained. However, a component object might not be. It can, for example, contain a joint, referring to external to-it-self objects. What would the F360 engine do with such ‘non-compliance? There are many options here. The extremes are: show a mouse-clicker a blue screen (send him to gulags), or just ignore what is ‘outside permissible domain’ and continue with the task ( show the middle finger, and keep walking). For good or bad,… the TF360 implemented the algorithm adopting the second option … sort off. Although meta-feelings about the final solution might vary … it is what it is.
Please look at the attached file … and analyze what happens with a bolt’s grease, which has been purposefully excluded (for this example only, always use the lubricant!) from BoltNutWasher assembly.

Attached files:
Bolt_Pattern.f3d Fusion *.f3d ( 0.2MB) https://a360.co/3fh9ZRK
Flange_Param.png 4K_mono ( 6MB) https://a360.co/3r1uHb2
Flange_Param_arcd.png 4K_stereo ( 5MB) https://a360.co/3S9CTlx
Z Poważaniem
MichaelT
Hi TF360 … why does the material/appearance library not contain greases, lubricants and other sleazy stuff? Shame on you! 🙄
MichaelT