Hello everyone!
Could someone help me please?
I have a pitite urgency to convert an STL into a STEP and IGES with a "mechanical" hand modeled on ZBrush (organic modeling - digital sculpture)
Normally, it is already the right size, all you have to do is convert...
It would be really nice friends @^:^@
Here is a download link from the STL:
https://anyconv.com/fr/convertisseur-de-stl-en-iges/
https://anyconv.com/fr/convertisseur-de-stl-en-step/
I've already tried, it makes me "WRONG"
Thank you anyway...
Zozo_mp, can you try in your CAD software please?
Hello
If the "error" message means that the original STL file is corrupted (!)
What version of SolidWorks do you have?
Kind regards
Hello
Ah... Even the STL sucks... :-(
I don't use CAD software... I model on ZBrush...
Hello
In general, organic models created with zbrush or blender, in order to be transformed into solids (step or other), must go through a retopology step to simplify (smooth) the outer surface slightly. I know how to do it with blender but not zbrush. Simplification means approximation, so you have to accept a slight compromise for the final result. A bit like when you compress a sound file into mp3. It's still very audible for most people but imperfect for audiophiles.
CAD software such as SW does not accept complex 3D software. Your 3D contains too many parts (a sculpted head + the knuckles of a robot's hand). Too complex to be transformed into a step properly. First separate the pieces and then convert each piece individually. Avoid unnecessary repetitions (there are knuckles that repeat themselves on the hand).
I'll do it again with a CAD software (use freecad or other if beginner). The head can be processed directly, just separate it from the rest.
The purpose of a step transformation is, most of the time, the making of a mold. So you need simple parts that can be taken out of the mold. You might as well do them with CAD software.
For the head I can help you but the hand will have to be converted by yourself by separating the parts and possibly by a retopology or re-modeling with a CAD software. Online conversions only work for very clean and simple parts.
For the retopology on zbrush there are tutorials on the net. To re-model in CAD you have to learn in such software.
Hello Soring! Thank you for trying and for this complete answer
The head is there just as a "guide" because it's the only dimension I know,
so it must be 10cm high (top of the skull at the end of the chin so)
And in 3D printing, my guide technique works... But apparently not for machining: put the head at 10cm and the hand automatically scales, then remove the head and start printing...
Hello Amine
I think it's ALL your workflow that needs to be reviewed...
To start with, you have to scale the head and hand directly in the modeling software, then delete the head BEFORE exporting it! Eventually, if you absolutely want to have a "guide", replacing the head with a simple cube will be enough and much less heavy. But it's a bad idea anyway to export all the elements of the hand in a single file, whether for printing or machining. As Soring says, they must be separated. Since the hand will be scaled in zbrush, separating them will not be a problem to print them, on the contrary, it will be enough to open them and put them as they are on the bed and can be easily rearranged (oriented, moved, deleted, duplicated, ...) for optimal printing.
NB: If you have a conversion error on the link provided by Zozo, it's probably because of the head, your file must be more than 100MB, the limit of the site.