Sharpie Permanent Marker Ultra Fine Point, 2 set Black Chrome Season or drafting template

or drafting template

fabric marking

That stiffness is what makes the line predictable: the tip springs back the same way stroke after stroke

INK available as refills

It's a transparent acrylic varnish that works on pretty much any surface

Sharpie Permanent Marker Ultra Fine Point, 2 set Black Chrome Season or drafting templateThe Sharpie Ultra Fine Point 2 pack includes two black markers with a narrow fiber tip delivering approximately 0. 5mm lines. Alcohol based permanent ink that's quick drying, water resistant, and fade resistant. AP certified non toxic. Works on paper, cardboard, plastic, metal, wood, and glass. The ultra fine tip gives you precision for small text, detailed outlines, or accurate markings where control matters. Durable plastic barrel and fiber nib