--- title: "Crafting Code: Building a Ruby Pattern Generator for a Crochet Circle" url: https://daily.dev/posts/crafting-code-building-a-ruby-pattern-generator-for-a-crochet-circle-orsng5rvv source_url: https://hashrocket.com/blog/posts/crafting-code-building-a-ruby-pattern-generator-for-a-crochet-circle type: article source: "Hashrocket" published: 2026-01-20T14:04:04.249Z updated: 2026-01-20T14:04:23.272Z tags: ["testing", "ruby"] reading_time: 12 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Crafting Code: Building a Ruby Pattern Generator for a Crochet Circle **[Hashrocket](https://daily.dev/sources/hashrocket)** · 12 min read · 0 upvotes · 0 comments ## Summary A developer shares their experience building a Ruby class to generate crochet circle patterns. The article walks through analyzing the structure of crochet instructions, identifying mathematical patterns in stitch counts and increases, and implementing a pattern generator with RSpec tests. The solution handles special cases for the first two rows and uses different logic for odd versus even rows, ultimately creating a working generator that outputs properly formatted crochet instructions based on row count. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Design Patterns, the Ruby Way \(Part 2\): Modern Creational and Structural Patterns](https://daily.dev/posts/design-patterns-the-ruby-way-part-2-modern-creational-and-structural-patterns-tzee9etjw) · RUBYLAND · 1 upvotes · 0 comments - [Create QR Codes from Scratch with Ruby, ruby-libgd, and rqrcode](https://daily.dev/posts/create-qr-codes-from-scratch-with-ruby-ruby-libgd-and-rqrcode-smopemivw) · RUBYLAND · 0 upvotes · 0 comments --- Tags: [#testing](https://daily.dev/tags/testing), [#ruby](https://daily.dev/tags/ruby) [View this post on daily.dev](https://daily.dev/posts/crafting-code-building-a-ruby-pattern-generator-for-a-crochet-circle-orsng5rvv)