Summary

You can change the clearance in the joint by changing the values of the variable "s" (in the BlocksCAD file (https://www.blockscad3d.com/editor)) and printing the test model to know what value "s" to use.

https://www.youtube.com/watch?v=gtVZzjpj9WY
https://www.youtube.com/watch?v=6vrzy89dJOM

Print Settings

Resolution:

0.1 - 0.2

                                            <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>100%</p></div></p>                                                        <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>It is important to set a good level of the printing plate so that the details does not print with the influx, and does not fall off.</p><p>The most difficult part is to separate the detail from the printing plate and bring the hinges into working mode because this thing is not monolithic and contains 60 separate elements and 90 joints.</p><p>When I separated the snowflake from the printing plate, I broke one of the rays.<br>Instead of printing a new one, I printed one beam and attached it to the main part with the help of heat.</p><p>After you bring the hinges into working condition, it is recommended to lightly oil them with silicone oil.</p></div>

How I Designed This

I created this thing by looking at such creations as:
https://www.thingiverse.com/thing:79493
https://www.thingiverse.com/thing:2750749
https://www.thingiverse.com/thing:693893
https://www.thingiverse.com/thing:32437
and especially
https://www.thingiverse.com/thing:1081075

Hobermann snowflake (from 15 cm to 25 cm)