Chess pieces again

this is how far I came so far. importing the stl:


The CC file is too large to copy it here.
The red area probably can be repaired by increasing the thickness of the stock, what now is 1". However the diameter of the “foot”, the “thickest” part was measured in FreeCad as 25.399999407195537 mm. FreeCad reports the length with Z: 94.22908782958984mm. So why when I import it into a stock with 100mm width filling the whole length? So the dimensions of the imported part is not correct? Proportionally the thickness of course also changed, why in the image above the red part appeared.
When I import the STL file into a matching stock size of Z:94.22908782958984mm the 3d-view appears ok:

How to import the piece into a given stock? There are more chess pieces with different diameters what will raise more questions.

What I’ve done to verify STL dimensions is to use the trace outlines feature — then if need be that dimension can be used to modify the import scaling factor.

Could you upload the STL?

That thing has 42MB…

https://cloud.nordlocker.com/shares/unlock/823c4d2a-9590-4967-84cd-5a86f4245e89#4eZr78Z4IpkRthhqWt6FuwmkPwzNYJOGODeBOWicgAc
Code UQbWn6

When opened the file has the dimensions of:

12.7 x 12.7 x 47.11

Make a suitable file

and geometry:

then import the STL:

and adjust the settings:

Done

Trace the STL component:

which are pretty close to twice the measured dimensions of the STL:

Thanks for the clarification! Surprising for me was / is the different measures different softwares get. Thanks for getting me back to some basics like 3D-Builder! Has exactly what I need instead of very complex (for me) 3D CAD software.

I still do not understand. We established that the height of the piece (Z-axis) would be 47.1mm.

When I define a stock of 60mm x-axis


import the file, put it on the side, it fills the 60mm x-axis with its length (z-axis of the object).

Means now the dimension in question is changed to 60mm,accordingly the other dimensions too, instead of 47.1mm.

???

You need to change the scaling factor on XY to arrive at the desired dimension.

ok, did not know that! Obviously *.stl does not have fixed dimensions, that’s why I found so different measures in the different CAD-apps?
So far I always used *.dxf files for import, the measures there are fixed.
Another lesson learned.

The usual thing is for the unit in the STL file to equal 1 millimeter — obviously that’s not always the case, hence the need sometimes to trace to get the dimension on import so as to adjust the scaling.