Reference: drawBox3
drawBox3(v, Δ) draws a box in the current 3D visualization window, with an edge at v ∈ R^3 and dimensions Δ = (w, h, d) ∈ R^3. drawBox3(v, Δ, s) draws a box in the current 3D visualization window, with an edge at v ∈ R^3 and dimensions Δ = (w, h, d) ∈ R^3 using the style (CSS) s.