Sewing, fabric & craft
Seamline — Shopify theme for craft
Seamline is a Shopify theme for fabric, yarn, and craft stores that sell by project. The project builder turns a pattern, size, and material list into one cart with the right quantity of everything.
$240USD · one-time
Demo password demo2026 · Shopify Theme Store listing
Selvedge Studio / live demo
What Seamline is for
Best for
- Fabric and yarn shops
- Sewing and craft supply stores
- Merchants who sell project bundles
- Stores with material yield data
Not for
- Stores without material or project data
- Catalogs that sell only finished goods
What you get
- Project builder
- Pattern and size cart properties
- Material yield metafields
- Quantity calculator
- Project collections
- Swatch-forward cards
- Dye-lot and fibre specs
- Substitution guidance
Questions
What does the project builder do?
It combines a project, size, and material list into one cart with calculated quantities.
Does the calculator need metafields?
Yes. It reads yield, unit, and package metafields on the products.
What is included?
The full Online Store 2.0 theme, documentation, support, and Theme Store updates.