sloper [n]: a basic pattern that follows the natural lines and represents the basic dimensions of a figure, from which all styles are based on. Also called basic pattern, block pattern, or foundation pattern.

Dear Customers,

Due to technical issues, we are currently unable to accept any orders.
We apologize for the inconvenience


  • You design or produce ready-to-wear clothing for the mass-market.
  • Your slopers do not properly fit the figure.
  • Your slopers are not fully balanced and trued.

Then you need Stringcodes' Standard-Sized Slopers. Slopers that fit well to the figure's dimensions are important assets in clothing business; we are proud to provide them. All slopers are well researched and tested.

We make full selection of slopers!

  • 50 different sizes to choose from. Available from Toddler, Child, to Large/Plus sizes.
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  • You can also order slopers that custom-fit to your personalized measurements.
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  • A total collection of 533 sets of slopers for Children and Women.
    Browse Patterns...

  • Technical information in detail.
    Read Pattern Specs...

Pattern-Making Calculator

The only available calculator specially designed and made for Pattern-Making purposes, and it's FREE.
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Download Free Calculator..

New Products:

CUSTOM SIZE are now available! You can order slopers that custom-fit to your personalized measurements.

See: Custom Size.

Tips & Tricks:

How To Remove Elbow Dart from Sleeve Pattern.

How To Alter Basic Skirt Length.

How To Alter Basic Pants Length.

How to Make A-Line Skirt from Basic Skirt.