Over this is added — lightly drawn in pencil using stencils — a faint, woozy, geometric lattice of intersecting circles and ellipses.
It is variable in shade, and the design is executed in graduated washes within lightly drawn outlines, a point of difference from Ming wares.
The text is filled with lightly drawn lessons on mathematics given to his classes (or to Nina), generally featuring logical paradoxes — from Zeno to Schrödinger.
Lightly drawn, heavily detailed, occasionally colored, hanging cheek by jowl in three rooms, Botticelli's drawings require endless concentration on the part of a viewer, an effort repaid by his subtlety and grace.
Taken individually, his many postcard-size drawings, consisting of simple emblematic images lightly drawn in crayon and French texts handwritten around the borders, seem slight; cumulatively, however, they cast a curious spell, part didactic, part mystical.
In a mixed review, Alex Macpherson of The Guardian found the album to be "packed full of ideas" on tracks that "feel less like fully fleshed-out compositions than lightly drawn sketches started, but not always finished".
