Thanks,
This is the Ryet one I have: https://nl.aliexpress.com/item/1005006354098277. Probably the wide flat shape is worse for me than the actual hardness.
It's correct that the Selle SMP saddles are hard as well but if the shape fits that is ok. Would you say that the Goldix shape/ fit is comparable to the SMP?

I was asking about the hardness because I do have another 3D printed one from LightCarbon, the SD01 which is very soft. Maybe too much so I found in the beginning as it was fine on the sitbones but it caused my butt/ leg to go to sleep after 1 hour. Over time with finetuning the angle it has grown on me and now feels very comfortable even on long rides without causing numbness.
Unfortunately LightCarbon charges $75 for shipping a saddle to EU, the same as for a full frameset. Hence my continuing quest....

Hello all,
I’m in the building process and keep referring back to this forum for tips & tricks, very useful !!
However I seem to have an issue with the expander plug slipping out of the steerer tube when torquing up the top cap.
The plug is done up to 10Nm but comes out during the tightening of the top cap well before reaching 6Nm.
I read a lot about slipping seat posts but anyone having the same problem or knows how to prevent it?
Thanks!