Westcott

Westcott TC-383 30-Inch Flexible Curve Drafting Tool

4.2 (160 reviews)
30 inch

A 30-inch bendable drafting curve with a raised ink-ruling edge for drawing smooth, precise curves on any project.

$13.99*$24.99Save 44%
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Westcott TC-383 30-Inch Flexible Curve is a versatile drafting tool built around a simple but effective design: a malleable lead bar encased in a smooth, flexible plastic body. Bend it into any curve you need — from gentle arcs to tight S-shapes — and the internal lead core holds that position so you can trace the same line repeatedly with precision. At 30 inches in length, it provides ample reach for large-scale drawings, pattern layouts, and architectural plans, while shorter sections of the curve can be used for more detailed work.

A standout feature of the TC-383 is its raised lip edge, purpose-built for ink ruling. This lip lifts the edge slightly above the paper surface, preventing ink from wicking underneath the tool and creating smudged or uneven lines. Whether you are a drafter working on technical drawings, a seamstress laying out garment patterns, or an artist creating freeform curves, this tool adapts to the task at hand. The smooth plastic exterior ensures it slides across paper cleanly without leaving marks or catching on the surface.

Key Features

Draw unlimited bends and curves with this veratile 30 inch flexible curve

Made of a square section lead bar encased in a smooth flexible plastic body

Raised lip edge for ink ruling

Package dimensions : 1.0 inches (H) x 1.0 inches (L) x 1.0 inches (W)

Specifications

Length
30 inches
Material
Lead bar encased in flexible plastic
Cross Section
Square
Ink Ruling
Raised lip edge
Package Dimensions
1.0" (H) x 1.0" (L) x 1.0" (W)

Pros & Cons

👍 Pros

  • The internal lead bar holds any shape you bend it into, allowing repeatable curve tracing
  • Raised lip edge prevents ink from bleeding under the rule for clean ink lines
  • At 30 inches, it accommodates long sweeping curves as well as shorter tight bends
  • Smooth plastic exterior glides easily along paper without snagging or marking the surface

👎 Cons

  • The lead core adds weight compared to standard plastic rulers and curves
  • Repeated bending over time can fatigue the lead bar, reducing its ability to hold shapes precisely
  • Not graduated with measurement markings, so a separate ruler is needed for dimensioned work
  • The square cross-section may feel less comfortable to grip than ergonomically shaped drafting tools

Frequently Asked Questions

The curve contains an internal lead bar encased in smooth plastic. When you bend it into a desired shape, the lead bar holds that position until you reshape it, allowing you to trace the same curve repeatedly.
Yes, the TC-383 features a raised lip edge specifically designed for ink ruling, which lifts the rule slightly off the paper surface to help prevent ink from bleeding underneath.
The flexible curve measures 30 inches in total length, allowing you to draw long, sweeping curves or bend it into tighter shapes using a shorter section.
Yes, the flexible curve works with both pencil and ink. The raised lip edge is particularly beneficial for ink work, but the flat side of the curve can be used for standard pencil tracing.