Here it is and I have worn it a few times its Red Heart Fiesta yarn done on The Singer 155 bulky knitting machine.
I used knit interfacing I bought at the fabric store. It comes in white and black.
Don't be afraid make something small or use yarn from the thrift store to practice. Just knit up some yardage get out a pattern iron on your knit interfacing and YES cut it out.
Having a serger makes it that much more fun clean all the edges but I sewed the seams together on the regular machine.
The interfacing gives it a firmness around the sleeves and neck I like.
If you wanted to you could iron on interfacing to the whole piece. Then you'd have a less clingy sweater.
I have another one I made on the standard and I really like it. I was a sewer first. I love serging!
I cut a one inch wide piece of iron on interfacing for the length I measured the width of the back and front.
I measured up one inch from the hem edge. I ironed the knit interfaicng on.
I and turned my hem up steamed it and sewed it in place.
I intend to have a draw string on the bottom with 2 button holes for the string to come out of.