Prismatical blanket

Prismatical Blanket by Craftling Designs

What is Being Made

The Prismatical blanket is a downloadable crochet pattern for an intermediate-level throw blanket measuring 100cm long by 75cm wide. This blanket is constructed from individual granny diamonds organized in a chevron-style pattern to create visual interest and movement across the finished piece.

Design Concept

Designer Craftling Designs UK has created a blanket that celebrates the versatility of granny diamonds—a variation on the classic granny square motif. Rather than using traditional granny squares, the designer chose granny diamonds for their unique shape and the endless combination possibilities they offer. The diamonds are arranged in a chevron formation, which adds dynamic visual appeal to the blanket while maintaining the meditative, modular construction process that makes diamond-based projects satisfying to create.

Crochet Techniques and Stitches

This pattern uses fundamental crochet stitches worked in the round to build each individual diamond unit. The primary stitches employed include:

• Chain stitches (ch) – Used to create the foundation ring and spacing throughout
• Treble stitches (tr) – The main stitch building the diamond structure
• Double treble stitches (dtr) – Used for additional height and texture variation
• Slip stitches (sl st) – Used to join rounds and create a seamless circular construction
• Chain spaces (ch sp) – Openwork areas that add lace-like qualities to the diamonds

Each granny diamond begins with a foundation ring created by chaining 4 stitches and slip stitching into the first chain. The diamonds are then built outward in rounds, with treble and double treble stitches creating the characteristic pointed shape. Individual diamonds measure 14cm long by 10cm wide when measured tip to tip.

Construction and Assembly

The blanket is constructed as a modular project where multiple diamonds are crocheted separately and then joined together. The chevron arrangement requires careful placement of the 10 different colored diamonds to create the directional pattern. A border is added around the perimeter using the Vanilla Cream yarn to frame and finish the blanket.

Materials

The Prismatical blanket pattern calls for Paintbox Yarns Cotton DK, a lightweight yarn suitable for creating drape and breathability in a throw blanket. The yarn is worked with a 3.75mm (F) crochet hook.

Yarn quantities:

• Joining and border: 3 balls of Vanilla Cream (306 meters or 122.5 grams total)
• Diamonds: 1 ball each of 10 different colors (106 meters or 42.5 grams used per individual color)

The sample shown uses specific colors detailed in a reference table within the pattern document. The cotton DK weight provides a lightweight, breathable fabric ideal for a versatile blanket that works across seasons.

Skill Level

Rated as intermediate difficulty, this pattern assumes the crocheter is comfortable with basic stitches and can follow multi-round instructions. The modular nature of the project makes it manageable—completing one diamond at a time—though the final assembly and chevron arrangement require attention to pattern placement and color sequencing.