PYCLOUDY emission model of V5668 Sgr, using nova abundances with the inclination angle set at 85^°. Conditions for the model were the best derived values from the parameter sweeps assuming luminosity and geometries discussed in Sect. 3.3 for day 141 after discovery. The input SHAPE model is seen in Fig. 8. Volumetric flux units are in erg s⁻¹ (colour bars). The x and y axis values are scaled units of physical size, r_min and r_max determined from Banerjee et al. (2016) size on day 107 post-discovery. Clumpiness was simulated using a Perlin noise modifier in SHAPE.