Trim gives strange results

Trimming a group against another gives various outcomes. Both are solids. See the clips

Share the model.

Here it is.

trim_error.skp (331.0 KB)

Scale! it is too ■■■■ small.
I can’t say too ■■■■ small but I can say too fucking small.
The delights of forum censorship.

OT: So “■■■■” is a banned word while the explicit sexual expression isn’t!

Indeed, I can’t say dam with an n but can say …

Look here if you need further edification.