Best 30 60 45 Degree Geometry Triangle Set Square of 2026

Last updated on 25/05/2026

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

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

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

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

Value for Money

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

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

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

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

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

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 and 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 and protractor for versatile use
MULTI-SCALE TRIANGULAR RULER: 30 cm scale ruler suitable for architects, engineers, and 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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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

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 and 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 and protractor for versatile use
MULTI-SCALE TRIANGULAR RULER: 30 cm scale ruler suitable for architects, engineers, and 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

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)

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)

Accurate for precise measurements.
Lightweight and easy to carry.
Durable and cost-effective design.

Main Highlights

Includes triangle rulers for drafting and drawing, suitable for measuring and creating angles on paper surfaces
Made from acrylic plastic; rigid structure for consistent shape; transparent body for visibility during use
Hollow centre design for grip; lightweight construction for handling and portability, suitable for school and office use

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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)

Accurate for precise measurements.
Lightweight and easy to carry.
Durable and cost-effective design.

Main Highlights

Includes triangle rulers for drafting and drawing, suitable for measuring and creating angles on paper surfaces
Made from acrylic plastic; rigid structure for consistent shape; transparent body for visibility during use
Hollow centre design for grip; lightweight construction for handling and portability, suitable for school and office use

Large Triangle Ruler Square Set, 30/ 60 and 45/ 90 Degrees, Set of 2

Large Triangle Ruler Square Set, 30/ 60 and 45/ 90 Degrees, Set of 2

Main Highlights

2 Pieces of large clear triangle rulers: 6 inch 45/ 90 degrees and 9 inch 30/ 60 degrees; Material: plastic; Durable, sturdy and easy to use
Unique design: 2 kind of measuring units, inch markings on one of the right-angle side and centimeter numbers on the other side
One of the right-angle side of the 45/ 90 degree ruler is 6 inch, the rest of right-angle side is 16 cm; The longer right-angle side of 30/ 60 degrees ruler is 9 inch in length, the shorter right-angle side is 13 cm
With hollow center: the student triangles are easy to *; The hollow center of 45/ 90 degrees triangle is a protractor and the other is a interesting hollow drawing pattern
Wide application: the rulers with right-angle are useful tools for architects, engineers, artists, designers, students, teacher, etc.

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Large Triangle Ruler Square Set, 30/ 60 and 45/ 90 Degrees, Set of 2

Main Highlights

2 Pieces of large clear triangle rulers: 6 inch 45/ 90 degrees and 9 inch 30/ 60 degrees; Material: plastic; Durable, sturdy and easy to use
Unique design: 2 kind of measuring units, inch markings on one of the right-angle side and centimeter numbers on the other side
One of the right-angle side of the 45/ 90 degree ruler is 6 inch, the rest of right-angle side is 16 cm; The longer right-angle side of 30/ 60 degrees ruler is 9 inch in length, the shorter right-angle side is 13 cm
With hollow center: the student triangles are easy to *; The hollow center of 45/ 90 degrees triangle is a protractor and the other is a interesting hollow drawing pattern
Wide application: the rulers with right-angle are useful tools for architects, engineers, artists, designers, students, teacher, etc.

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

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

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

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

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

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

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

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

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

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

3 Pcs Combination Square Set, Carpenters Square Tool, 12 Inch Combination Triangle Ruler with Spirit Level and 45-90 Degree Marking, 7" Metric Speed Squares with Marking Pen for Accurate Measurement

3 Pcs Combination Square Set, Carpenters Square Tool, 12 Inch Combination Triangle Ruler with Spirit Level and 45-90 Degree Marking, 7" Metric Speed Squares with Marking Pen for Accurate Measurement

Superior construction feels sturdy.
Clear metric imperial markings.
Versatile for workshops and on-site.

Main Highlights

Superior Construction: Constructed from robust aluminum alloy with a finely polished finish, the set square boasts a reliable structure suitable for marking and measuring. Its smooth edges offer a comfortable grip, ideal for repetitive layout work in workshops, studios, or home project spaces.
Clear Dual-Scale Markings: The scale markings include both metric and imperial readings, ensuring long-term legibility. A consistent scale layout allows you to confidently judge angles, draw lines, and mark reference points, helping you achieve neat, repeatable results across multiple tasks.
Easy Operation: This adjustable ruler features a knurled adjuster for smooth sliding; a brass tip concealed in the handle facilitates quick marking. This design aids in clear layout work when dealing with edges, aligning parts, or planning construction lines.
Versatile Applications: Suitable for woodworking workbenches, metalworking shops, garage construction, and on-site work. Use the set square to outline right angles or chamfers, and the adjustable ruler to check depth or length when installing shelves, preparing joints, or shaping materials.
Set Contents: Includes 1 x 12 inch combination square with spirit level and 45-90 degree marking, 1 x speed squares 7 inch with marking pen, the design aids in preparing frames, calibrating hardware, or calibrating fixtures before assembly.

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3 Pcs Combination Square Set, Carpenters Square Tool, 12 Inch Combination Triangle Ruler with Spirit Level and 45-90 Degree Marking, 7" Metric Speed Squares with Marking Pen for Accurate Measurement

Superior construction feels sturdy.
Clear metric imperial markings.
Versatile for workshops and on-site.

Main Highlights

Superior Construction: Constructed from robust aluminum alloy with a finely polished finish, the set square boasts a reliable structure suitable for marking and measuring. Its smooth edges offer a comfortable grip, ideal for repetitive layout work in workshops, studios, or home project spaces.
Clear Dual-Scale Markings: The scale markings include both metric and imperial readings, ensuring long-term legibility. A consistent scale layout allows you to confidently judge angles, draw lines, and mark reference points, helping you achieve neat, repeatable results across multiple tasks.
Easy Operation: This adjustable ruler features a knurled adjuster for smooth sliding; a brass tip concealed in the handle facilitates quick marking. This design aids in clear layout work when dealing with edges, aligning parts, or planning construction lines.
Versatile Applications: Suitable for woodworking workbenches, metalworking shops, garage construction, and on-site work. Use the set square to outline right angles or chamfers, and the adjustable ruler to check depth or length when installing shelves, preparing joints, or shaping materials.
Set Contents: Includes 1 x 12 inch combination square with spirit level and 45-90 degree marking, 1 x speed squares 7 inch with marking pen, the design aids in preparing frames, calibrating hardware, or calibrating fixtures before assembly.

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

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

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

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

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

DCYQAIN 2 PCS Triangle Ruler Set, 18cm Clear Plastic Square Rulers with Built-in Protractor, 30/60 and 45/90 Degrees Measuring Tools for Drafting, Architecture, Office and School

DCYQAIN 2 PCS Triangle Ruler Set, 18cm Clear Plastic Square Rulers with Built-in Protractor, 30/60 and 45/90 Degrees Measuring Tools for Drafting, Architecture, Office and School

Durable polystyrene plastic construction.
Accurate measurements for precision tasks.
Versatile for various applications.

Main Highlights

📐 2-in-1 Integrated Measuring SetIncludes 1x 45/90° triangle ruler with built-in 180° protractor and 1x 30/60° triangle ruler. Replaces two separate tools, eliminating the hassle of carrying multiple measuring instruments.
🔍 High-Precision Clear ScalesFeatures sharp, fade-resistant markings accurate to 1mm and 1 degree. The fully transparent design allows unobstructed visibility of underlying drawings and documents for precise measurements.
💎 Durable Shatter-Resistant ConstructionMade of premium high-density polystyrene plastic that is sturdy, lightweight and not easy to break or scratch. Maintains its clarity and accuracy even after long-term daily use.
✏️ Versatile Professional ToolPerfect for technical drawing, architectural design, engineering drafting, geometry, woodworking, and general office and school use. A must-have for designers, architects and engineers.
🎒 Compact & Easy to StoreLightweight and slim design fits easily in pencil cases, desk drawers or tool bags. Takes up minimal space while providing all the measuring functionality you need.

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DCYQAIN 2 PCS Triangle Ruler Set, 18cm Clear Plastic Square Rulers with Built-in Protractor, 30/60 and 45/90 Degrees Measuring Tools for Drafting, Architecture, Office and School

Durable polystyrene plastic construction.
Accurate measurements for precision tasks.
Versatile for various applications.

Main Highlights

📐 2-in-1 Integrated Measuring SetIncludes 1x 45/90° triangle ruler with built-in 180° protractor and 1x 30/60° triangle ruler. Replaces two separate tools, eliminating the hassle of carrying multiple measuring instruments.
🔍 High-Precision Clear ScalesFeatures sharp, fade-resistant markings accurate to 1mm and 1 degree. The fully transparent design allows unobstructed visibility of underlying drawings and documents for precise measurements.
💎 Durable Shatter-Resistant ConstructionMade of premium high-density polystyrene plastic that is sturdy, lightweight and not easy to break or scratch. Maintains its clarity and accuracy even after long-term daily use.
✏️ Versatile Professional ToolPerfect for technical drawing, architectural design, engineering drafting, geometry, woodworking, and general office and school use. A must-have for designers, architects and engineers.
🎒 Compact & Easy to StoreLightweight and slim design fits easily in pencil cases, desk drawers or tool bags. Takes up minimal space while providing all the measuring functionality you need.

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, Liquidraw, Yosogo, EBOOT, JiuXinYuKeJi, Artway, DCYQAIN, 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:

The clear winner of our analysis is STAEDTLER 567 36-45 Mars Set Square, 36cm 45/45 Degree - Transparent (Pack of 1). We love many things about this product by STAEDTLER. What sets it apart from the competition is Inking edge adds precision, Durable plastic construction, Translucent blue for visibility.
The best value product for most shoppers and where user satisfaction is continuously the highest is Staedtler Mars 567 36-60 Set Square 36 cm 60/30 Degree - Blue by STAEDTLER based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for 30 60 45 Degree Geometry Triangle Set Square and the best cost-to-value ratio is DCYQAIN 2 PCS Triangle Ruler Set, 18cm Clear Plastic Square Rulers with Built-in Protractor, 30/60 and 45/90 Degrees Measuring Tools for Drafting, Architecture, Office and Schoolat DCYQAIN with a 8% discount.
Our list of the best 30 60 45 Degree Geometry Triangle Set Square is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.