later then planed but here is an update.

Most of what I now understand/learned is already said in other words.
Below is my version for my case.

There are two thinks I now see clear
- if an object is not clearly visible on screen, then still it can good on print.
- All depend on the scale you need ...

Dorin, thanks for the update.
For me there is no need to change the page size in Inkscape because i export the whole document, The updated lines show a real difference.
I need to test in my project onscreen and export how it looks, or find other ways to make it more visible.

Keet, thanks for the ...

Thanks for your response Keet,

As i mentioned in the start post i have export the svg to png
It is created in Inkscape and exported as png 1634 x 4191px
The exported image gives the problems.

What thickness of the lines can you advice?

What is the best way to create good images for the ...

Hello,

I am creating an 2D wharehouse floorplan, a lot of object that I need do not exists. For now I want to create multiple icons for the object that I can not find.
Following the instructions from Dorin I was able to create an working sh3f. When I now use the icon in an plan the lines are not ...