For some reason the attached file, when saved as a STEP file, appears to lose its hierarchy of nested blocks. I am trying to get this into inventor, and instead of the different blocks in the file being different parts, they are just solids which is incorrect. Could anyone provide some insight on …

Could this be one of the issues? [image] Step File dropping block on export Rhino for Windows Yep your right those are mirrored. And the script worked slick, thanks. Does it look for negative values in the transformation matrix?

Hmm, Im not sure how I would check for this? Interesting possibility. Edit: ran the script that checks if any are mirrored, none of them are.

Hello - I see this… I’ll investigate. Thanks. @dks5254 - I see it in your file, but I cannot reproduce it from scratch - is this usual for you, to see this flattening via Step? It looks like there is scaling applied to the blocks - that cannot be written to STEP. -Pascal

This is not usual to see this “flattening” as you call it. The only transformations I ever made to the blocks were changes in orientation not scaling so I don’t see how that could have happened. As you can see this file consists of individual frames that each contain blocks for each member. These …

Hello - I don’t know… can you send me the script you’re using? What is the units change, are you inserting inch files into an mm file or something like that? (I tried this and export was not flattened). -Pascal

STEP Export Failing to Write Block Hierarchy

Rhino Rhino for Windows

djnelson75 January 31, 2019, 8:07pm 2

Could this be one of the issues?

Topic		Replies	Views
Step File dropping block on export Rhino for Windows	13	2098	August 9, 2018
Issue when exporting .step files Rhino for Windows windows	12	613	May 22, 2023
Imported part contains blocks Rhino for Windows windows	9	1182	December 12, 2022
How to keep file hierarchy when exporting from Rhino? Rhino for Windows rhino6	6	1147	October 16, 2020
Export to STEP creates superior block "Document" when containing blocks Rhino	3	442	March 24, 2021

STEP Export Failing to Write Block Hierarchy

Related topics