herlitz Bloco de papel milimétrico DIN A3, 80 g/m², 20 folhas, quadrícula vermelha de 1 mm, sem madeira, lombada reforçada (690305)

Precision starts with a 1 mm grid printed in sharp red on premium 80 gsm wood-free paper — this herlitz millimeter paper block in DIN A3 gives technical drawings, mathematical plots, and design sketches the accuracy they demand. Each of the 20 sheets is glue-bound into a sturdy block with a reinforced cardboard backing, so you can work on a stable surface without a separate drawing board.

Overview

The herlitz 690305 is a professional-grade millimeter paper block sized at DIN A3 (297 x 420 mm). The fine red grid with 1 mm spacing is ideal for precise scaling, graphing, and technical layouts. The paper is wood-free, which means it resists yellowing over time and offers a smooth surface for clean lines with pencil, ink, or fine liners. The block format keeps sheets neatly together, and the reinforced backing provides a firm base for portable use.

What stands out

• Fine 1 mm red grid for exact measurements and scaling
• Large DIN A3 format for detailed technical drawings and plans
• 80 gsm wood-free paper: smooth, durable, and archival-friendly
• Glued block with reinforced cardboard backing for stability on the go
• 20 sheets per block — enough for extensive projects without bulk

Technical details

• Paper size: DIN A3 (297 x 420 mm)
• Paper weight: 80 gsm
• Ruling: millimeter grid, 1 mm spacing, red lines
• Paper quality: wood-free
• Binding: glued block
• Backing: reinforced cardboard
• Sheets per block: 20
• Material: paper
• Intended use: technical drawing, mathematics, planning, design

Our verdict

A reliable choice for engineers, architects, students, and hobbyists who need precise grid paper in a convenient block format. The reinforced backing and quality paper make it a practical tool for both studio and field work.