Hb Mathematical & Engineering Geometry & Technical Drawing Compass Set – 9 Piece Student Drawing & Drafting Kit With Case

This comprehensive geometry set is perfect for students, engineers, architects, and anyone who needs precise drawing tools. The set includes all the essential instruments for geometry, technical drawing, and mathematics, neatly organized in a sturdy plastic case for easy transport and storage.

Ideal for use in high-end, professional drawing. The package includes a quick release precision compass, a precision thumbwheel compass, a technical metal compass, a replacement arm for the compass, a clutch pencil with 0.5 mm leads, a new lead for the compass with a diameter of 2 mm, and a sharpener.

Here's a general overview of how to use one: 

1. Set the desired radius:

• Open the compass so the distance between the needle point and the pencil lead matches the radius of the circle you want to draw. 

• Use a ruler to measure the distance for accuracy. 

2. Anchor the compass:

• Place the needle point firmly on the paper at the center of where you want your circle to be. 

• Apply gentle pressure to keep it in place. 

3. Draw the circle:

• Hold the handle at the top of the compass. 

• Rotate the pencil lead around the needle point, keeping the compass at the same angle and pressure. 

• Complete the rotation to form a circle. 

4. Tips for better circles:

• Ensure the needle point is sharp and securely placed. 

• Use a smooth, consistent motion while rotating the compass. 

• Practice on scrap paper to get a feel for the tool. 

• For beginners, it may be easier to hold the needle point down and turn the paper to draw the circle. 

The set in the image includes various attachments and spare parts, such as:

• Different types of compasses: A large bow compass for larger circles and a smaller spring bow compass for fine adjustments.
• Lead refills: Spare graphite leads for the pencil attachment. 

• Sharpener: To keep the lead point sharp for precise drawing.
• Technical pen attachment: For drawing with ink instead of pencil.
• Extension bar: To draw larger circles than the compass would normally allow.
• Spare needles and screw: For replacement.

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