Thanks. Yes, both mm unit in selection and rectangle. Since SVG is vector graphic, why is there a DPI? How do I change it? Best,

Newbie here! I came to know about inkscape from ponoko.com an online laser cutting service. I was trying to draw a face plate for my electronic kit so I had my eyes on the exact size of things. Here's what I was confused about: I used the rectangle tool to draw a box. The rectangle tool says one siz...