20cm Triangle Ruler Set 30 45 Degree – COCAI Professional Drafting Tools
The 20cm Triangle Ruler Set 30 45 Degree from COCAI is a two-piece transparent drafting tool set designed for technical drawing, architectural drafting, and precision framing work. The set includes a 30° right-angle triangle measuring 18 cm × 11 cm and a 45° isosceles triangle measuring 16 cm × 13 cm. Clear millimetre graduations allow for precise line work and angle measurements.
Why Choose the 20cm Triangle Ruler Set 30 45 Degree?
COCAI’s 20cm Triangle Ruler Set 30 45 Degree is made from high-clarity acrylic, ensuring both rulers remain warp-free and easy to read. The compact 20cm size is perfect for desktop use, student drawing boards, and framing workbenches where space is limited.
Applications for the 20cm Triangle Ruler Set 30 45 Degree
Technical illustrators, architecture students, interior designers, and picture framers use the 20cm Triangle Ruler Set 30 45 Degree for accurate 30°, 45°, 60°, and 90° angle constructions. Suitable for A3 and A4 drawing boards.
Dimensions
30° triangle: base 18 cm, height 11 cm. 45° triangle: hypotenuse 16 cm, height 13 cm.
Related Products
For larger work surfaces, consider the 25cm Triangle Ruler Set. Learn more about technical drawing at ISO Technical Drawing Standards.


