Best 30 60 45 Degree Geometry Triangle Set Square of 2026

Last updated on 15/02/2026
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1
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
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9.8
Exceptional
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9.8
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
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Value for Money
2
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
9.7
Exceptional
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9.7
Exceptional
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
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3
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
18% Off
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
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9.5
Superb
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9.5
Superb
STAEDTLER

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

18% Off
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
4
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
18% 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
9.3
Superb
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9.3
Superb
STAEDTLER

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

18% 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
5
2 Pcs Combination Triangle Rule, 12 Inch Combination Square with Spirit Level and 45-90 Degree Marking, Speed Squares 7 inch with Marking Pen for Accurate Measurement
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2 Pcs Combination Triangle Rule, 12 Inch Combination Square with Spirit Level and 45-90 Degree Marking, Speed Squares 7 inch with Marking Pen for Accurate Measurement

FcaecY
Why we love it
  • High accuracy for precise measurements.
  • Durable aluminum alloy construction.
  • Versatile for various applications.
Main Highlights
  • 📐HIGH ACCURACY: The set squares for woodwork with Bubble Level for more accurate readings and laser-etched numbers to increase readability and prevent wear and tear. Centimeter square tool on one side and inch square tool on the other side, which can meet the needs of high precision measurement and drawing.
  • 📏EXCELLENT MATERIAL: The square tool set is made of aluminum alloy, which is wear-resistant, drop-resistant, not easy to rust, and has a long service life.
  • ✏FULL FEATURED: The combination square set can measure right angles and levels, the triangle ruler carpenters square can draw all kinds of angles and straight lines, and it can also measure inside and outside angles to meet a variety of needs.
  • 📚EASY TO OPERATE: Our speed square adjustable angle ruler woodworking tools slide locking and detachable design, easy to operate and convenient for different scenarios.
  • 🔧WIDE APPLICABILITY: The combination square set angle measurement tool suitable for carpentry, masonry, metal working and many other working scenarios.
Show More
9.2
Superb
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9.2
Superb
FcaecY

2 Pcs Combination Triangle Rule, 12 Inch Combination Square with Spirit Level and 45-90 Degree Marking, Speed Squares 7 inch with Marking Pen for Accurate Measurement

Why we love it
  • High accuracy for precise measurements.
  • Durable aluminum alloy construction.
  • Versatile for various applications.
Main Highlights
  • 📐HIGH ACCURACY: The set squares for woodwork with Bubble Level for more accurate readings and laser-etched numbers to increase readability and prevent wear and tear. Centimeter square tool on one side and inch square tool on the other side, which can meet the needs of high precision measurement and drawing.
  • 📏EXCELLENT MATERIAL: The square tool set is made of aluminum alloy, which is wear-resistant, drop-resistant, not easy to rust, and has a long service life.
  • ✏FULL FEATURED: The combination square set can measure right angles and levels, the triangle ruler carpenters square can draw all kinds of angles and straight lines, and it can also measure inside and outside angles to meet a variety of needs.
  • 📚EASY TO OPERATE: Our speed square adjustable angle ruler woodworking tools slide locking and detachable design, easy to operate and convenient for different scenarios.
  • 🔧WIDE APPLICABILITY: The combination square set angle measurement tool suitable for carpentry, masonry, metal working and many other working scenarios.
Show More
6
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
9.1
Superb
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9.1
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
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
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

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
7% 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)

7% 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
Staedtler Mars 567 31-45 Set Square 32 cm 45/45 Degree - Blue
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Staedtler Mars 567 31-45 Set Square 32 cm 45/45 Degree - Blue

STAEDTLER
Why we love it
  • Clear and stylish design.
  • Precision and accuracy guaranteed.
  • Conveniently sized for use.
Main Highlights
  • Plastic, transparent blue
  • With inking edge
  • Scale begins directly at the edge
  • Single product 45°/45°, length 31 cm
Show More
8.8
Excellent
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8.8
Excellent
STAEDTLER

Staedtler Mars 567 31-45 Set Square 32 cm 45/45 Degree - Blue

Why we love it
  • Clear and stylish design.
  • Precision and accuracy guaranteed.
  • Conveniently sized for use.
Main Highlights
  • Plastic, transparent blue
  • With inking edge
  • Scale begins directly at the edge
  • Single product 45°/45°, length 31 cm
Show More
10
Artway Plastic Set Square Pack (2) - 45 & 60 degree angles, Single-coloured
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Artway Plastic Set Square Pack (2) - 45 & 60 degree angles, Single-coloured

Artway
Why we love it
  • Versatile for different angles.
  • Includes arc drawing tools.
  • Perfect starter for students.
Main Highlights
  • Pack of two set squares comes with a 45 degree/17cm long set square and a 60 degree/21cm long set square
  • The 45 degree set square has a built in 180 degree protractor for angles and arcs
  • The 60 degree angle set square has 2 curve stencils built in to help with drawing
  • Great pack for students and classrooms, ideal as a starter pack
Show More
8.7
Excellent
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8.7
Excellent
Artway

Artway Plastic Set Square Pack (2) - 45 & 60 degree angles, Single-coloured

Why we love it
  • Versatile for different angles.
  • Includes arc drawing tools.
  • Perfect starter for students.
Main Highlights
  • Pack of two set squares comes with a 45 degree/17cm long set square and a 60 degree/21cm long set square
  • The 45 degree set square has a built in 180 degree protractor for angles and arcs
  • The 60 degree angle set square has 2 curve stencils built in to help with drawing
  • Great pack for students and classrooms, ideal as a starter pack
Show More

We scanned 1930 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 Generic, Liquidraw, STAEDTLER, FcaecY, Yosogo, Artway, 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 9651 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: