Visuals used to support the modelling and fit evaluation process, carried out for each system, here shown for the GJ14 system as an example. Leftmost: ALMA continuum image of the GJ14 system (see imaging details in tables available on ZENODO). Contours are [2,4,..] × the RMS noise level. Center left: full resolution best-fit belt model. Center right: residual image after subtraction of the best-fit visibilities from the data. Imaging parameters and contours are the same as the leftmost image. Rightmost: real and imaginary part of the azimuthally averaged de-projected complex visibility profiles, for both the data (blue points with uncertainties) and the best-fit model (orange lines). The de-projection was carried out using the best-fit inclination and PA from Table 1.