My magic numbers are 152 or 104 stitches on 3,5 mm and 99 stitches on 4 mm.

I used 3,5 mm/152 sts

Choosing a pattern wasn’t easy. To pool a yarn in stripes you need to use a pattern that has the same stitch count in every row. Most lace patterns change the amount of stitches.

Cast on done on waste yarn. I have to think about casting off both ends when the scarf is finished

I added an icord on both ends (4.5mm needle)