which matters since this is the size most likely to get used for hours at a stretch

Red or Black ink

non-bleed coating for acrylic ink

Markers that can be easily wiped off with a wet cloth from most non-porous surfaces such as glass

The finest diameter in the GraphGear 1000 range — a satin-brushed aluminum drafting pencil for microscopic geometric detail

amsterdam acrylic spray varnish 114 glossy 400 ml Money which matters since this isA clear, non yellowing gloss varnish in spray form, ideal for sealing acrylic or oil based artworks. This varnish delivers a durable, flexible, and reversible layer that protects against dust and dirt while enhancing color vibrancy. Use on fully dry canvases or panels for a polished, museum quality shine. Shake well, apply 40 cm away in one even coat, and allow a few hours to dry.