Set customized line style and width, save template as ReportFit.otpu or FitPreview.otpu
ReportFit.otpu will effect the fit line in the report graph
FitPreview.otpu will effect the fit line in preview panel of NLFIT dialog
Plot Scatter with any data, active graph window, press Ctrl+Y top open NLFit dialog, pick any function like Allometric1.
Minimize NLFit dialog, change fitted curve’s width to be 3.
Back to NLFit dialog, click any fitting buttons (Init, Simplex, Chi-Square, 1-Iter, Fit until converged).
==> Fitted curve’s width was changed to be 0.5
Fixed in Origin 2023b