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Technical Graphics

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Learning Intentions

Read Technical Drawings

Read technical drawings and extract information so that you can solve problems.

Use Drawing Standards

Apply British Standards Institute BS8888) and ISO 128 to technical and engineering drawings. Understand symbols, standards and conventions so that you can communicate in the international language of engineers.

Develop spatial awareness

Develop your understanding of different orthographic and pictorial views.

Blue pixelated abstract pattern with scattered small squares

Downloads

Colorful plastic train track connectors in red, green, yellow, blue, and black

3D Models

3D models (.STEP) of the sections task worksheets. They can be useful for 3D printing, animating or making your own tasks.

Colorful 3D geometric shapes resembling abstract pyramids and polyhedra, arranged on a reflective black surface.

3D Models

3D models (.STEP) of the orthographic task worksheets. They can be useful for 3D printing, animating or making your own tasks.

Colorful Tic Tac Toe game pieces arranged on a black surface with a red border.

3D Models

3D models (.STEP) of the tangency task worksheets. They can be useful for 3D printing, animating or making your own tasks.

A scientific diagram showing a particle collider with blue and black components and a target area in the center.

Projection Symbol

Download a DXF, SVG, and PNG of the 3rd Angle Projection symbol, along with a .STEP model and drawing instructions.

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Orthographic Sketching

These worksheets have been designed to help with orthographic sketching.

Construction lines have been provided, including bounce lines. The trick is ensuring hidden-detail has been shown correctly.

Technical drawing of five 3D geometric blocks with measurements and labels indicating asymmetric and symmetric shapes, along with section titles and instructions for creating orthographic sketches, CAD models, and perspective sketches.

A technical drawing with orthographic views of a rectangular block, including plan, elevation, and end elevation views, along with a title block containing project details and notes on creating and measuring the drawing.

A technical drawing with orthographic views and projections of a geometric block, including plan, elevation, and end elevation views, with a title block containing instructions for creating a 3D model of the block.

Orthographic drawing template with plan and elevation views for a 3D model of a block. The sheet includes instructions for completing the plan view, creating a two-point perspective sketch, and measuring the drawing to develop a 3D CAD model.

A technical drawing plan for a 3D block model, showing two end elevations and an elevation view, with guidelines for creating a 3D CAD model, including a title block with course information and notes.

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Sectional Views

Practice creating sectional views using these practice worksheets. Construction lines have been included.

Try to remember the rules about cross-hatching certain components and features.

Blue 3D model of a geometric block with a square hole on top and a circular hole on the side, presented with technical drawings including plan, section, and elevation views.

3D model and technical drawing of a blue mechanical assembly comprising a wheel, a bolt, a small disc, and a support piece on a blueprint background with labeled views and construction notes.

3D blue mechanical part with a circular hole, displayed on an engineering drawing with sectional views, grid, and notes for a higher graphics communication course.

A technical drawing of a blue 3D geometric block with a curved hook, shown in isometric view, with plan, section, elevation, and end elevation views included in the engineering blueprint.

Technical drawing of a small blue plastic mechanical part with three circular holes on its top surfaces, including a plan view, elevation, and section view, along with a 3D rendered image of the part.

3D blue mechanical parts including a curved block with a cylindrical protrusion, a rectangular block with two holes, a small cylindrical piece, and a rod with a circular head. A technical drawing with top, section, and elevation views of a mechanical component is also shown, with detailed measurements and construction guidelines.

3D blue block model on technical drawing with plan and elevation views, labeled sections, and project notes in the title block.

Technical drawing featuring multiple views of a small blue mechanical part, including plan, section, and end elevation views, with notes and a 3D rendering of the component.

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Tangency

The geometrical principles of tangency are fundamental in many scenarios. In these worksheets, you use some of these principles to create increasingly complex drawings.