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margot_skidder
Tijmen
I usually use Fusion360 for photo tracing, although it's a bit of a bringing-a-knife-to-a-gunfight situation the ability to scale an image to a reference dimension is great. In this case I used the distance between the bottle cage bolts, which should be 63.5mm. I then export to dxf and turn it into a printable A4 with seam allowances in Adobe Illustrator, by adding a reference line I can check the printer hasn't cocked up the scaling.