Before we get started here I just want to point you to two really great videos that will really help with your pieced blocks.
THIS lovely lady is Beth Hayes, Editor-In-Chief of McCall’s Quilting (i.e. my boss, the best boss ever). She has done this really great video on pressing for our website that you can have a look at here:
Be sure to check these out, they really help with piecing!
Now for some Half-Square Triangles (HST)
The sizes here are what you will need for Jingle Pieced Block #1, but the technique is a good way to make these units all the time using a variety of sizes. I will have a download with general techniques at the end of this post.
Start with two squares.
I've made a little cheat sheet for these techniques that you can download: