Best 30 60 45 Degree Geometry Triangle Set Square of 2026

Last updated on 17/03/2026
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1
STAEDTLER 567 36-45 Mars Set Square, 36cm 45/45 Degree - Transparent (Pack of 1)
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STAEDTLER 567 36-45 Mars Set Square, 36cm 45/45 Degree - Transparent (Pack of 1)

STAEDTLER
Why we love it
  • Inking edge adds precision.
  • Durable plastic construction.
  • Translucent blue for visibility.
Main Highlights
  • Design includes inking edge
  • Made from plastic
  • Scale begins directly at the edge
  • Available in translucent blue colour
  • Calibrated in mm
Show More
9.8
Exceptional
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9.8
Exceptional
STAEDTLER

STAEDTLER 567 36-45 Mars Set Square, 36cm 45/45 Degree - Transparent (Pack of 1)

Why we love it
  • Inking edge adds precision.
  • Durable plastic construction.
  • Translucent blue for visibility.
Main Highlights
  • Design includes inking edge
  • Made from plastic
  • Scale begins directly at the edge
  • Available in translucent blue colour
  • Calibrated in mm
Show More
Value for Money
2
2piece Triangle Ruler Square Set 31cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent
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2piece Triangle Ruler Square Set 31cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent

Generic
Why we love it
  • Durable polystyrene material ensures longevity.
  • Protractor feature enhances measuring accuracy.
  • Versatile for classroom and home use.
Main Highlights
  • Size - 2 pieces of large clear triangle rulers, one of the right-angle sides of the 45/90-degree ruler is 30.5cm/12.2 inch and 21.5cm/8.5 inch; the 30/60 degree ruler has a longer bevel side of 31cm/12 inch long and the shorter right-angle side is 17cm/7 inch
  • Material - The triangle rulers are made of polystyrene plastic, durable, not easy to break for using a long time. They can be placed in your pencil case, or on the office desk to save space
  • Feature - The hollow center of 45/ 90 degrees triangle is a protractor that can be applied to measure 0-180 degrees, and the scale is accurate to 1 degree, helping you to quickly measure the value.
  • Application - The measuring ruler kits can use them to measure, and draw geometric figures, etc., providing you with large convenience, suitable for a variety of applications in classrooms, offices, and homes, for artists, designers, architects, engineers and so on.
  • Package Includes - 1 x 45/ 90 Degrees triangle ruler, 1 x 30/ 60 Degrees triangle ruler
Show More
9.7
Exceptional
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9.7
Exceptional
Generic

2piece Triangle Ruler Square Set 31cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent

Why we love it
  • Durable polystyrene material ensures longevity.
  • Protractor feature enhances measuring accuracy.
  • Versatile for classroom and home use.
Main Highlights
  • Size - 2 pieces of large clear triangle rulers, one of the right-angle sides of the 45/90-degree ruler is 30.5cm/12.2 inch and 21.5cm/8.5 inch; the 30/60 degree ruler has a longer bevel side of 31cm/12 inch long and the shorter right-angle side is 17cm/7 inch
  • Material - The triangle rulers are made of polystyrene plastic, durable, not easy to break for using a long time. They can be placed in your pencil case, or on the office desk to save space
  • Feature - The hollow center of 45/ 90 degrees triangle is a protractor that can be applied to measure 0-180 degrees, and the scale is accurate to 1 degree, helping you to quickly measure the value.
  • Application - The measuring ruler kits can use them to measure, and draw geometric figures, etc., providing you with large convenience, suitable for a variety of applications in classrooms, offices, and homes, for artists, designers, architects, engineers and so on.
  • Package Includes - 1 x 45/ 90 Degrees triangle ruler, 1 x 30/ 60 Degrees triangle ruler
Show More
3
Pack of 2 Large Transparent Metric Triangle Ruler Set Square: 30 CM (12 Inch) - 30/60 Degree & 22 CM (9 inch) 45/90 Degree | Essential for School and Work use (CM Scale)
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Pack of 2 Large Transparent Metric Triangle Ruler Set Square: 30 CM (12 Inch) - 30/60 Degree & 22 CM (9 inch) 45/90 Degree | Essential for School and Work use (CM Scale)

Yosogo
Why we love it
  • Accurate for precise measurements.
  • Lightweight and easy to carry.
  • Durable and cost-effective design.
Main Highlights
  • ✅【ACCURATE】: Our high quality triangle metric set squares are made out of acrylic plastic which improves stability and accuracy when drafting or drawing. With its laser-etched markings that won’t fade or rub off, you can see the numbers clearly and be assured of sharp graduation and precise scale.
  • ✅【EASY TO USE】: These large triangle rulers are easy to grip with its hollow cut out centres and easy to use on any surfaces. The black-on-blue design eases distinction of lines and numbers so you can read comfortably, preventing unnecessary eye strain. In addition, these lightweight square sets are only half the weight of a glass which makes it easy for you to carry around for school and work.
  • ✅【WIDE APPLICATION】: Our acrylic triangle set square rulers are highly useful tools for both school and work. These are suitable for architects, engineers, drafting technicians, artists, designers, students, teachers and more professional and precise applications.
  • ✅【VALUE FOR MONEY】: These set square triangle rulers are made out of plastic so that they are not only light-weighted but affordable. On top of that, they are shatterproof with up to 17 times more impact resistance compared to ordinary glass, making them last longer and worth your money.
  • ✅【A LOT OF HAPPY CUSTOMERS】: We have had many happy customers which have made us a professional’s choice for drafting tools and drawing supplies for many years now. It could mean a lot to us if you could let us bridge the gap for you between ideas and innovations. If for any reason you are having trouble with these set squares; please contact us online, and we will make things right.
Show More
9.5
Superb
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9.5
Superb
Yosogo

Pack of 2 Large Transparent Metric Triangle Ruler Set Square: 30 CM (12 Inch) - 30/60 Degree & 22 CM (9 inch) 45/90 Degree | Essential for School and Work use (CM Scale)

Why we love it
  • Accurate for precise measurements.
  • Lightweight and easy to carry.
  • Durable and cost-effective design.
Main Highlights
  • ✅【ACCURATE】: Our high quality triangle metric set squares are made out of acrylic plastic which improves stability and accuracy when drafting or drawing. With its laser-etched markings that won’t fade or rub off, you can see the numbers clearly and be assured of sharp graduation and precise scale.
  • ✅【EASY TO USE】: These large triangle rulers are easy to grip with its hollow cut out centres and easy to use on any surfaces. The black-on-blue design eases distinction of lines and numbers so you can read comfortably, preventing unnecessary eye strain. In addition, these lightweight square sets are only half the weight of a glass which makes it easy for you to carry around for school and work.
  • ✅【WIDE APPLICATION】: Our acrylic triangle set square rulers are highly useful tools for both school and work. These are suitable for architects, engineers, drafting technicians, artists, designers, students, teachers and more professional and precise applications.
  • ✅【VALUE FOR MONEY】: These set square triangle rulers are made out of plastic so that they are not only light-weighted but affordable. On top of that, they are shatterproof with up to 17 times more impact resistance compared to ordinary glass, making them last longer and worth your money.
  • ✅【A LOT OF HAPPY CUSTOMERS】: We have had many happy customers which have made us a professional’s choice for drafting tools and drawing supplies for many years now. It could mean a lot to us if you could let us bridge the gap for you between ideas and innovations. If for any reason you are having trouble with these set squares; please contact us online, and we will make things right.
Show More
4
Liquidraw Geometry Set – 3 Piece | 45° & 60° Set Squares, 30 cm Triangular Scale Ruler | Professional Tool | Architects, Engineers, Draughtsmen & Students | Clear Durable Plastic | Measuring & Drawing
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Liquidraw Geometry Set – 3 Piece | 45° & 60° Set Squares, 30 cm Triangular Scale Ruler | Professional Tool | Architects, Engineers, Draughtsmen & Students | Clear Durable Plastic | Measuring & Drawing

Liquidraw
Why we love it
  • Versatile for multiple professions.
  • Includes various precision tools.
  • Built-in curves and protractor.
Main Highlights
  • MATHS & DRAWING ESSENTIALS: 3-piece geometry set for precise technical drawing, architectural layouts, engineering plans, carpentry, model making, or school & university maths
  • INCLUDES THREE TOOLS: 45° 20 cm / 8" set square, 60° 25 cm / 10" set square, and 30 cm triangular scale ruler; set squares include built-in curves & protractor for versatile use
  • MULTI-SCALE TRIANGULAR RULER: 30 cm scale ruler suitable for architects, engineers & draughtsmen; scales include 1:10, 1:20, 1:25, 1:30, 1:40, 1:50, 1:100, 1:200, 1:250, 1:300, 1:400, 1:500 for accurate measurements
  • DURABLE & CLEAR: Made from transparent 2.5 mm thick plastic for visibility over drawings, resisting bending, cracking, or scratching; ideal for professional or student use
  • PORTABLE & EASY TO USE: Lightweight and compact for storage in pencil cases, geometry kits, or toolboxes; perfect for architects, engineers, students, or hobbyists needing precise measurement tools
Show More
9.3
Superb
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9.3
Superb
Liquidraw

Liquidraw Geometry Set – 3 Piece | 45° & 60° Set Squares, 30 cm Triangular Scale Ruler | Professional Tool | Architects, Engineers, Draughtsmen & Students | Clear Durable Plastic | Measuring & Drawing

Why we love it
  • Versatile for multiple professions.
  • Includes various precision tools.
  • Built-in curves and protractor.
Main Highlights
  • MATHS & DRAWING ESSENTIALS: 3-piece geometry set for precise technical drawing, architectural layouts, engineering plans, carpentry, model making, or school & university maths
  • INCLUDES THREE TOOLS: 45° 20 cm / 8" set square, 60° 25 cm / 10" set square, and 30 cm triangular scale ruler; set squares include built-in curves & protractor for versatile use
  • MULTI-SCALE TRIANGULAR RULER: 30 cm scale ruler suitable for architects, engineers & draughtsmen; scales include 1:10, 1:20, 1:25, 1:30, 1:40, 1:50, 1:100, 1:200, 1:250, 1:300, 1:400, 1:500 for accurate measurements
  • DURABLE & CLEAR: Made from transparent 2.5 mm thick plastic for visibility over drawings, resisting bending, cracking, or scratching; ideal for professional or student use
  • PORTABLE & EASY TO USE: Lightweight and compact for storage in pencil cases, geometry kits, or toolboxes; perfect for architects, engineers, students, or hobbyists needing precise measurement tools
Show More
5
STAEDTLER Mars 567 36-60 Set Square 36 cm 60/30 Degree - Blue + STAEDTLER Mars 567 36-45 Set Square 36 cm 45/45 Degree - Blue
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STAEDTLER Mars 567 36-60 Set Square 36 cm 60/30 Degree - Blue + STAEDTLER Mars 567 36-45 Set Square 36 cm 45/45 Degree - Blue

STAEDTLER
9% Off
Why we love it
  • Precision with inking edge.
  • Durable plastic construction.
  • Scale starts at edge.
Main Highlights
  • Design includes inking edge
  • Made from plastic
  • Scale begins directly at the edge
  • Design includes inking edge
  • Made from plastic
  • Scale begins directly at the edge
Show More
9.2
Superb
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9.2
Superb
STAEDTLER

STAEDTLER Mars 567 36-60 Set Square 36 cm 60/30 Degree - Blue + STAEDTLER Mars 567 36-45 Set Square 36 cm 45/45 Degree - Blue

9% Off
Why we love it
  • Precision with inking edge.
  • Durable plastic construction.
  • Scale starts at edge.
Main Highlights
  • Design includes inking edge
  • Made from plastic
  • Scale begins directly at the edge
  • Design includes inking edge
  • Made from plastic
  • Scale begins directly at the edge
Show More
6
sourcing map Triangle Ruler Set 14" 35cm PP Clear Scale Hollow Ruler 30/60 and 35/90 Degree for Drafting Quilting Drawing Drafting Tool Classroom Office
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sourcing map Triangle Ruler Set 14" 35cm PP Clear Scale Hollow Ruler 30/60 and 35/90 Degree for Drafting Quilting Drawing Drafting Tool Classroom Office

sourcing map
Why we love it
  • Versatile for various applications.
  • Durable and high-quality material.
  • Easy to grip and use.
Main Highlights
  • Size - You will receive a Triangle Ruler with a measuring range of 13.78 inches (35cm), a 45/90 degree triangle ruler measuring 11.02 inches x 9.06 inches (28 cm x 23 cm), and a 30/60 degree triangle ruler measuring 12.6 inches x 7.48 inches (32 cm x 19 cm).
  • Material - Our transparent triangle rulers are made of polypropylene (PP) with an embossed surface, featuring exquisite craftsmanship, standard graduations, and durability.
  • Feature - The 45/90-degree and 30/60-degree triangles feature a center cutout for easy grip, rounded edges, and a translucent color that clearly displays numbers and letters on the page.
  • Application - This triangle ruler is suitable for artists, designers, architects, engineers, and others, perfect for straight-line cutting and professional drafting. Suitable for classrooms, offices, and homes.
  • Notice - Easy to use, allowing for quick and accurate measurements. Please select the appropriate size according to your needs. Manual measurement has certain errors.
Show More
9.1
Superb
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9.1
Superb
sourcing map

sourcing map Triangle Ruler Set 14" 35cm PP Clear Scale Hollow Ruler 30/60 and 35/90 Degree for Drafting Quilting Drawing Drafting Tool Classroom Office

Why we love it
  • Versatile for various applications.
  • Durable and high-quality material.
  • Easy to grip and use.
Main Highlights
  • Size - You will receive a Triangle Ruler with a measuring range of 13.78 inches (35cm), a 45/90 degree triangle ruler measuring 11.02 inches x 9.06 inches (28 cm x 23 cm), and a 30/60 degree triangle ruler measuring 12.6 inches x 7.48 inches (32 cm x 19 cm).
  • Material - Our transparent triangle rulers are made of polypropylene (PP) with an embossed surface, featuring exquisite craftsmanship, standard graduations, and durability.
  • Feature - The 45/90-degree and 30/60-degree triangles feature a center cutout for easy grip, rounded edges, and a translucent color that clearly displays numbers and letters on the page.
  • Application - This triangle ruler is suitable for artists, designers, architects, engineers, and others, perfect for straight-line cutting and professional drafting. Suitable for classrooms, offices, and homes.
  • Notice - Easy to use, allowing for quick and accurate measurements. Please select the appropriate size according to your needs. Manual measurement has certain errors.
Show More
7
Liquidraw Geometry Set - 5 Piece | 2 x Set Square Triangle Ruler, Semi Circle Protractor, Circle Protractor, 12" Ruler | Professional Quality | Work or School Supplies | Mm & Inch Markings | Clear
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Liquidraw Geometry Set - 5 Piece | 2 x Set Square Triangle Ruler, Semi Circle Protractor, Circle Protractor, 12" Ruler | Professional Quality | Work or School Supplies | Mm & Inch Markings | Clear

Liquidraw
9% Off
Why we love it
  • Durable and precise measurement tools.
  • Versatile for various geometric tasks.
  • Easy-to-read dual markings.
Main Highlights
  • MATHS KIT ESSENTIALS: This stationery set has all the tools required for professional use in the workplace; it also contains essential supplies for learning geometry or advanced maths or science at college, university or school
  • 5 PIECE SET: This kit includes 1 x set square 45° 25cm / 10", 1 x set square 60° 30cm / 12", 1 x semi circular protractor 180°, 1 x circle protractor 360° / 5.5" & 1 x 12" ruler in clear, transparent plastic
  • MM & INCHES: With markings in inches & millimetres (easily convertible to centimetres), this set provides accurate & precise measurements with every use, perfect for school, work or art & design
  • DURABLE & TRANSPARENT: Made from strong, clear plastic, these tools allow you to see the page or work surface below; they are long-lasting, designed to resist bending or cracking for everyday use
  • EASY TO TRANSPORT: Each item in this lightweight set is 2.9 mm thick, light & portable; easy to carry in a bag, pencil case or tool set box; this set is ideal for secondary school students, architecture students, artists & more
Show More
9.0
Superb
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9.0
Superb
Liquidraw

Liquidraw Geometry Set - 5 Piece | 2 x Set Square Triangle Ruler, Semi Circle Protractor, Circle Protractor, 12" Ruler | Professional Quality | Work or School Supplies | Mm & Inch Markings | Clear

9% Off
Why we love it
  • Durable and precise measurement tools.
  • Versatile for various geometric tasks.
  • Easy-to-read dual markings.
Main Highlights
  • MATHS KIT ESSENTIALS: This stationery set has all the tools required for professional use in the workplace; it also contains essential supplies for learning geometry or advanced maths or science at college, university or school
  • 5 PIECE SET: This kit includes 1 x set square 45° 25cm / 10", 1 x set square 60° 30cm / 12", 1 x semi circular protractor 180°, 1 x circle protractor 360° / 5.5" & 1 x 12" ruler in clear, transparent plastic
  • MM & INCHES: With markings in inches & millimetres (easily convertible to centimetres), this set provides accurate & precise measurements with every use, perfect for school, work or art & design
  • DURABLE & TRANSPARENT: Made from strong, clear plastic, these tools allow you to see the page or work surface below; they are long-lasting, designed to resist bending or cracking for everyday use
  • EASY TO TRANSPORT: Each item in this lightweight set is 2.9 mm thick, light & portable; easy to carry in a bag, pencil case or tool set box; this set is ideal for secondary school students, architecture students, artists & more
Show More
8
STAEDTLER 567 31-60 Mars Set Square, 31 cm 60/30 Degree - Transparent Blue (Pack of 1)
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STAEDTLER 567 31-60 Mars Set Square, 31 cm 60/30 Degree - Transparent Blue (Pack of 1)

STAEDTLER
10% Off
Why we love it
  • Transparent blue for clear visibility.
  • Scale starts at the edge.
  • Precise measurements in millimeters.
Main Highlights
  • Plastic, transparent blue
  • With inking edge
  • Scale begins directly at the edge
  • 567 31-60
  • Calibrated in mm
Show More
8.9
Excellent
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8.9
Excellent
STAEDTLER

STAEDTLER 567 31-60 Mars Set Square, 31 cm 60/30 Degree - Transparent Blue (Pack of 1)

10% Off
Why we love it
  • Transparent blue for clear visibility.
  • Scale starts at the edge.
  • Precise measurements in millimeters.
Main Highlights
  • Plastic, transparent blue
  • With inking edge
  • Scale begins directly at the edge
  • 567 31-60
  • Calibrated in mm
Show More
9
sourcing map 2piece Triangle Ruler Square Set 22cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent
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sourcing map 2piece Triangle Ruler Square Set 22cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent

sourcing map
6% Off
Why we love it
  • Durable, long-lasting material.
  • Highly accurate protractor center.
  • Ideal for multiple applications.
Main Highlights
  • Size - 2 pieces of large clear triangle rulers, one of the right-angle sides of the 45/90-degree ruler is 22cm/8.57 inch and 15cm/6 inch; the 30/60 degree ruler has a longer bevel side of 22cm/8.57 inch long and the shorter right-angle side is 13cm/5 inch.
  • Material - The triangle rulers are made of polystyrene plastic, durable, not easy to break for using a long time. They can be placed in your pencil case, or on the office desk to save space.
  • Feature - The hollow center of 45/ 90 degrees triangle is a protractor that can be applied to measure 0-180 degrees, and the scale is accurate to 1 degree, helping you to quickly measure the value.
  • Application - The measuring ruler kits can use them to measure, and draw geometric figures, etc., providing you with large convenience, suitable for a variety of applications in classrooms, offices, and homes, for artists, designers, architects, engineers and so on.
  • Package Includes - 1 x 45/ 90 Degrees triangle ruler, 1 x 30/ 60 Degrees triangle ruler
Show More
8.8
Excellent
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8.8
Excellent
sourcing map

sourcing map 2piece Triangle Ruler Square Set 22cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent

6% Off
Why we love it
  • Durable, long-lasting material.
  • Highly accurate protractor center.
  • Ideal for multiple applications.
Main Highlights
  • Size - 2 pieces of large clear triangle rulers, one of the right-angle sides of the 45/90-degree ruler is 22cm/8.57 inch and 15cm/6 inch; the 30/60 degree ruler has a longer bevel side of 22cm/8.57 inch long and the shorter right-angle side is 13cm/5 inch.
  • Material - The triangle rulers are made of polystyrene plastic, durable, not easy to break for using a long time. They can be placed in your pencil case, or on the office desk to save space.
  • Feature - The hollow center of 45/ 90 degrees triangle is a protractor that can be applied to measure 0-180 degrees, and the scale is accurate to 1 degree, helping you to quickly measure the value.
  • Application - The measuring ruler kits can use them to measure, and draw geometric figures, etc., providing you with large convenience, suitable for a variety of applications in classrooms, offices, and homes, for artists, designers, architects, engineers and so on.
  • Package Includes - 1 x 45/ 90 Degrees triangle ruler, 1 x 30/ 60 Degrees triangle ruler
Show More
10
Staedtler Mars 567 36-60 Set Square 36 cm 60/30 Degree - Blue

Staedtler Mars 567 36-60 Set Square 36 cm 60/30 Degree - Blue

STAEDTLER
26% Off
Why we love it
  • Sleek translucent blue design.
  • Convenient inking edge feature.
  • Precise calibrated measurements in mm.
Main Highlights
  • Design includes inking edge
  • Made from plastic
  • Scale begins directly at the edge
  • Available in translucent blue colour
  • Calibrated in mm
Show More
8.7
Excellent
Product image 1
8.7
Excellent
STAEDTLER

Staedtler Mars 567 36-60 Set Square 36 cm 60/30 Degree - Blue

26% Off
Why we love it
  • Sleek translucent blue design.
  • Convenient inking edge feature.
  • Precise calibrated measurements in mm.
Main Highlights
  • Design includes inking edge
  • Made from plastic
  • Scale begins directly at the edge
  • Available in translucent blue colour
  • Calibrated in mm
Show More

We scanned 1993 products

We reviewed these offers relevant to the 30 60 45 Degree Geometry Triangle Set Square within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like STAEDTLER, Generic, Yosogo, Liquidraw, sourcing map, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best 30 60 45 Degree Geometry Triangle Set Square in the market, we considered we took a deep dive into 9966 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that: