Unable to boolean?

gary_pien

I am trying to create a snowflake. I created one "arm" of the snowflake, then did a circular pattern of the extrusion to complete a 360 degree pattern. However, this resulted in multiple parts (each "arm" was its own part). I want to be able to merge all the parts into one, so I can export a STL for 3D printing.

However, when I try to boolean the parts, I get an error stating Boolean did not regenerate properly, and failed to return a valid part. Any ideas how to fix this? Or a workaround?

https://cad.onshape.com/documents/f63e2f5b39a3a86da231912c/w/ecefdef16b7c1d8b88e55249/e/b5ace4f0b4242a967fd1cbe9

MBartlett21

It is because in the centre, the parts only touch at the edges, meaning that they cannot be booleaned together

Here is a copy i have made work:
https://cad.onshape.com/documents/d02b43f79b44dcfc9b9976e0/w/d5df3397d3df0ddcb64864fd/e/70de2f8d703d28eb7bb7d719

gary_pien

Thank you, that's perfect!