Things You'll Need
Pencil and paper
Crochet hook-size G
Making your own slippers and shoes is a creative and satisfying endeavor. Styles and colors are limited only by your imagination. The first step in crocheting your own slippers or shoes is to create the soles. Once finished, the soles are stitched onto the upper portions of the shoes or slippers. The completed slippers or shoes may be glued or otherwise attached to more rigid or waterproof outer soles so they may be worn outdoors. Thousands of free crocheted slipper and shoe patterns are available online. To crochet a custom anatomical sole, you will begin by measuring the dimensions of your own foot.
Place your bare foot on a sheet of paper. Use a pencil to trace around your foot. The tracing will be used as a pattern for the slipper sole. Draw a longitudinal line down the center of the tracing. Draw a horizontal line across the center of the tracing. Measure and note the length and width of the longitudinal and horizontal lines on the tracing. Subtract the width from the length to calculate the length of the starting chain that will form the center of the slipper sole. Draw a line on the paper that is this length.
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Crochet a chain the same length as your reference line, using a G hook and worsted-weight yarn. Count the number of stitches. Place a stitch marker in the center stitch of the chain. Begin round one with two single crochet stitches in the second chain from hook, then single-crochet each stitch until you reach the center chain. Do a half-double in each chain until you reach the end, leaving the last chain open. Do five double crochet stitches in last chain for the toe. Continue working down the opposite side with one half-double crochet stitch in each stitch until you reach the center of the chain. Change to single crochet and crochet up to the last chain. Put two single crochet stitches in last stitch. Join with slip stitch to the beginning single crochet.
Chain one to begin round two. Do one single crochet in first stitch, two single crochet stitches in next stitch, then one single crochet in each stitch until you reach the level of the stitch marker. Do one half-double crochet in each of the next three stitches. Do two half-double crochet stitches in the next stitch. Continue with this pattern until you reach the stitch marker on the opposite side of the sole. Do one single crochet in each stitch to the end, leaving the last two stitches open. Do two single crochet stitches in the next to last stitch. Do one one single crochet in the last stitch. Join to the first single crochet with a slip stitch.
Chain one to begin round three. Do one single crochet in the first stitch, then two single crochet stitches in next stitch. Do one single crochet stitch in each stitch until you reach the level of the stitch marker. Do two single crochet stitches in next stitch, then one single crochet in each of the next four stitches. Repeat this pattern until you reach the stitch marker on the opposite side. Do one single crochet in each stitch to the end, leaving the last two stitches open. Do two single crochet stitches in the next to last stitch. Do one single crochet in the last stitch. Join to the first single crochet with a slip stitch.
Place the crocheted slipper sole on the paper, centered to the tracing. Use a pencil to trace around the crocheted sole. Measure and note the width of the spacing between the two tracings at the levels of the heel, mid-foot and forefoot. Stitches used on the fourth round will be determined by the width of the spaces. A single crochet stitch is approximately three-eights-inch tall. A half-double crochet is approximately five-eights-inch tall. A double crochet is approximately 3/4-inch tall. Sketch on the tracing to indicate where you will need to change stitches, and which stitch sizes you will need to complete the sole.
Refer to your sketch to crochet round four. Crochet round four, using single, half-double and double crochet stitches, as needed, to match the sole to the pattern. Stop, periodically, to check that you are accurately following your pattern. Once the fourth row is complete, slip stitch around the entire sole to smooth the edge and to strengthen the sole. Rewrite your custom sole pattern, if necessary, to clarify instructions. Use your pattern to crochet a matching sole for the opposite foot.
As you develop the pattern for your custom-fit slipper sole, write down the stitches used so you can easily duplicate the pattern to make the second sole. Minor discrepancies between your finished sole and your foot pattern won't matter, as the crochet work will stretch, somewhat, to fit your foot.