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Fossil Frenzy Sweater
Due to the amount of details within this pattern, I have split it into three documents. This document contains front-end information, written instructions, and contact information. Charts are provided in 2 additional files for printing or digital use.
Please note that not every chart contains the same assortment of fossils. Please refer to the list below to see if your favorite critter shows up in your size:
T. Rex: All sizes
Triceratops Skull: All sizes
Footprint Tracks: All sizes
Large T. Rex Footprint: All sizes
Velociraptor: All Sizes
Stegosaurus: Sizes 1, 2, 3, 7, 8, 9, 10, 11
Parasaurolophus Skull: Sizes 1, 2, 3, 5, 10, 11
Brachiosaurus Skull: Sizes 1, 2, 3, 4, 5, 6, 8, 9, 10, 11
Raptor Claw: Sizes 1, 3, 5, 6, 7, 8, 9, 10
Pachycephalosaurus Skull: Sizes 2, 3, 5, 6, 11
Mosasaurus Skull: Sizes 3, 4, 6, 7, 8
Ammonite Shell: Size 3
My very first passion was for dinosaurs. I had an imaginary Saltopus friend that followed me around, and in first grade I was very proud to say that I wanted to be a paleontologist when I grew up (I’m sure my parents were just proud I could even pronounce the word at 6 years old). Now, eons later, I’ve excavated a knit top that brings together my first love and current passion for knitting into a unisex sweater so that these prehistoric beasties can keep us cozy all year long!
WHAT YOU’LL NEED
Needles
US5 (3.75 mm) circular needles (or size needed to obtain gauge).
Varying cable lengths are recommended to accommodate yoke, body, and sleeve circumferences.
(Optional) Set of 4 or 5 double pointed needles in same size as main circular needles for small circumference knitting (sleeves).
(Optional) Circular needles up to 1 size larger for colorwork section only (to maintain gauge).
US3 (3.25 mm) circular needles or a set of 4 or 5 double pointed needles for collar, body hem, and sleeve cuffs.
Notions
Tapestry needle
9 Stitch markers; additional stitch markers as desired for keeping place when working chart
2 Stitch holders or waste yarn
YARN & YARDAGE
Yarn
Two highly contrasting colors in DK weight yarn. Sizes for this garment are shown in the pattern as 1 (2, 3, 4, 5, 6)(7, 8, 9, 10, 11).
Sample uses Yarnaceous Fibers Bronto DK base (85% superwash merino wool and 15% nylon; 246 yd / 225 m per 100 g).
https://yarnaceousfibers.com/
Length Required (Includes 10% Excess)
MC: 644 (712, 800, 888, 978, 1077)(1184, 1302, 1425, 1575, 1734) yards / 589 (651, 732, 812, 895, 985)(1083, 1191, 1303, 1440, 1586) meters
CC: 295 (324, 360, 392, 424, 448)(471, 509, 550, 594, 656) yards / 270 (296, 329, 358, 388, 410)(431, 465, 503, 543, 600) meters
SIZING & GAUGE
Gauge
Stockinette: 22 stitches x 26 rounds = 4” / 10 cm after blocking worked in the round.
Ribbing: 26 stitches x 28 rounds = 4” / 10 cm after blocking worked in the round using smaller needles.
Sizing
Finished garment chest circumference:
29 (32, 35, 38, 41, 44)(49.5, 52.5, 55, 58, 64) inches / 73.5 (81.5, 89, 96.5, 104, 112)(125.5, 133.5, 138, 147.5, 162.5) cm
Yoke depth from cast on edge (includes neck band):
8 (8, 8.5, 8.5, 9, 9.5)(10.5, 11, 11, 11.5, 11.5) inches / 20.5 (20.5, 21.5, 21.5, 23, 24)(26.5, 28, 28, 29, 29) cm
Total body length from underarm (customizable):
16 inches / 40.5 cm
Sleeve length:
18 inches / 45.5 cm
Recommended positive ease is 2” - 6” / 5 - 15 cm at the chest based on personal preference.
If sharing your progress and finished piece on Instagram or other social networks, please use the hashtag #FossilFrenzySweater so I can admire your beautiful work! Happy knitting, friend!
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- First published: November 2025
- Page created: November 21, 2025
- Last updated: November 21, 2025 …
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