One side is soft, cozy wool; the other is light, cheerful cotton. To speed assembly and personalize each piece, you can use one wool fabric and pair it with multiple matching cottons. The best part is that one size fits all. Remember to cut all of the pieces before you start sewing.

Inspired by moccasins, each of these slip-ons is constructed from a single piece of felt, available in an array of colors.

Create a cozy companion to your sofa or bed that fits your exact color -- and texture -- specifications. Have a length of your favorite woolly fabric cut (50 by 60 inches for a small throw; 60 by 90 inches for a large one); then customize the edges.

Here's a Good Thing that will be useful after a long, hard day at work: a homemade heating pad using dried cherry pits.

Homemade slippers of thick wool felt make a heartwarming (and foot-warming) gift, and make a nice winter project for yourself as well.

Treat a kitty to a game of cat and mouse with a few dapper toys made of corduroy, wool, or felt.

Make a draft dodger to keep your heating bill down -- it's a great way to save money during the winter months.

Keep warm all winter with these easy-to-make fleece hats.

Whether it's chilly inside or out, a hot-water bottle slipped into a soft cloth cover is a classic comfort.

Turn a diverse collection of castoffs into a dashing throw with a flexible design of squares and rectangles.

Transform a wool cardigan into a charming dog coat -- your furry friend will enjoy the extra warmth.

Give an old sweater new life by using the material to fashion a charming pair of mittens.

These petite stuffed animals -- a fair isle lamb, a cable-knit chicken, and an argyle pig -- are so cuddly and simple to make, you'll want an entire farm.

Pamper the pooch in your life with Martha's well-fitted, adjustable water-resistant doggy coat. It's a favorite of Francesca's and Sharkey's to stay dry and warm on cold winter days.

This cozy wool pillow and blanket are perfect for a cold winter's night.

Create a cozy, warm bed for your feline in five easy steps.

Play around with the design of these pillows -- they're just solid bases with sleeves that slide over them.

Traditionally, patchwork quilts are made from fabric remnants that are too small to be used in other sewing projects. But for this variation, three men's wool-tweed sport coats are cut up to provide the fabric squares needed to make this cozy patchwork throw.

If you don't want to limit yourself to store-bought coordinating crib sets, a handmade duvet cover is a wonderful alternative.

Discarded silk ties, or those found at garage sales and thrift stores, find new life in a quilted pillow with a modern design.

Stay warm -- and stylish -- in a colorful wool beret.

Transform an outgrown sweater into a cozy knitting basket.

Make a decorative pillow adorned with charming felt animals -- perfect for any child's bedroom.

This clever TV cozy will conceal your television set while adding a splash of color to your room.

Throw pillows can instantly update or reinvent the color palette of a room.

Martha demonstrated this simple-to-sew poncho on her show with fashion designer Wendy Mullin.

A handmade bow tie makes a unique and unexpected gift.

Bring a child's drawing to life with this simple project.