I guess maybe this time I should talk a little louder, eh? :oops:
Partial seams is another technique, as used in Bright Hopes.
Also, Inner City is a good block for Y seams and is not often taught.
Be aware that flanges and piping added to interior seams, like sashing, are a bear to avoid if the sampler is to be machine quilted. You might want to stick with the outside edge for a learning project like this.