Crochet Patterns
Print
Estimated time: ~1-2 hours

3D Preview

Loading 3D preview...

3D preview is still under construction — not designed (yet) to be used for crochet or knitting steps. Please use the instructions below.

a human heart

BeginnerUS TermsModular

A stylized human heart model, showing the main chambers and major arteries. The heart is approximately 6 inches tall, with a rounded bottom and branching vessels on top.

Overall Progress

0 of 48 rows completed

0%

Materials

Yarn

WORSTED

Acrylic

200 yd
Main ColorMain

Crochet Hooks

6mm

Additional Notions

Tapestry needle
Stitch markers

Gauge

17 sts × 20 rows = 4in × 4in

in single crochet

Instructions

Main Body

In the Round0/15
Row 11 sts

Magic ring, 1 sc in ring. (1)

Row 221 sts

[Sc 0, inc] repeat around. (21)

Row 328 sts

[Sc 3, inc] repeat around. (28)

Row 433 sts

[Sc 5, inc] repeat around. (33)

Row 536 sts

[Sc 11, inc] repeat around. (36)

Row 638 sts

[Sc 18, inc] repeat around. (38)

Row 740 sts

[Sc 19, inc] repeat around. (40)

Row 840 sts

Sc in each st around. (40)

Row 940 sts

Sc in each st around. (40)

Row 1038 sts

[Sc 19, dec] repeat around. (38)

Row 1136 sts

[Sc 18, dec] repeat around. (36)

Row 1233 sts

[Sc 11, dec] repeat around. (33)

Row 1328 sts

[Sc 5, dec] repeat around. (28)

Row 1421 sts

[Sc 3, dec] repeat around. (21)

Row 151 sts

[Sc 0, dec] repeat around. (1) Stuff firmly before closing. Fasten off.

Left Atrium / Right Atrium (make 2)

In the Round0/9
Row 131 sts

Pick up 31 sc evenly around opening. (31)

Row 21 sts

[Sc 0, dec] repeat around. (1)

Row 315 sts

[Sc 0, inc] repeat around. (15)

Row 419 sts

[Sc 3, inc] repeat around. (19)

Row 521 sts

[Sc 9, inc] repeat around. (21)

Row 621 sts

Sc in each st around. (21)

Row 719 sts

[Sc 9, dec] repeat around. (19)

Row 815 sts

[Sc 3, dec] repeat around. (15)

Row 91 sts

[Sc 0, dec] repeat around. (1) Stuff firmly before closing. Fasten off, leaving 12-inch tail for sewing.

Right Atrium

In the Round0/1
Row 1

Same as Left Atrium.

Aorta

In the Round0/14
Row 122 sts

Pick up 22 sc evenly around opening. (22)

Row 221 sts

[Sc 21, dec] repeat around. (21)

Row 319 sts

[Sc 9, dec] repeat around. (19)

Row 418 sts

[Sc 18, dec] repeat around. (18)

Row 516 sts

[Sc 8, dec] repeat around. (16)

Row 616 sts

Sc in each st around. (16)

Row 715 sts

[Sc 15, dec] repeat around. (15)

Row 815 sts

Sc in each st around. (15)

Row 915 sts

Sc in each st around. (15)

Row 1015 sts

Sc in each st around. (15)

Row 1114 sts

[Sc 14, dec] repeat around. (14)

Row 1214 sts

Sc in each st around. (14)

Row 1314 sts

Sc in each st around. (14)

Row 1413 sts

[Sc 13, dec] repeat around. (13) Stuff lightly. Fasten off, leaving 12-inch tail for sewing.

Pulmonary Artery

In the Round0/9
Row 118 sts

Pick up 18 sc evenly around opening. (18)

Row 211 sts

[Sc 1, dec] repeat around. (11)

Row 311 sts

Sc in each st around. (11)

Row 411 sts

Sc in each st around. (11)

Row 511 sts

Sc in each st around. (11)

Row 611 sts

Sc in each st around. (11)

Row 711 sts

Sc in each st around. (11)

Row 811 sts

Sc in each st around. (11)

Row 911 sts

Sc in each st around. (11) Stuff lightly. Fasten off, leaving 12-inch tail for sewing.