Can i do any shape(like petals,)as I wish, with a singer sewing machine models(Inspiration,no:4220,421…

=== google your model and search the results ... keep a notebook as you find the varied functions ----- call the Singer store for classes ..... if your machine is a ""pattern wheel"": you will be able to buy more wheel designs=== or if it is computerized you will be able to create many motifs and designs .... check the online instruction book ....