Technical Drawings

Orthographic drawings or 'projections', blueprints or ‘three-views’ are outputted within parametric 3D CAD surface modeling and solid modeling software. Regarded as technical drawings, these capture geometric design, annotation and dimensional information, traditionally producd on technical drawing boards.

Orthographic drawings consist of 2D views - side view, elevation & plan, accompanied by an isometric view. Historically, an advantage of using 2D CAD, over dedicated surface modeling or solid modeling software for technical drawings, was flexibility of presentation afforded from hatching, patterns, colour fills, fonts and dedicated drawing sheet within bespoke borders.

However, a technical drawing derived of a solid model (as examples shown here) can be set up and dimensioned to ‘drive’ changes to the 3D model and conversely will update when the 3D model or assembly is modified, for example as in a design revision. 2D CAD tools, such as hatches, patterns and fills are now incumbent within 3D CAD software, which are fast catching up in affording bespoke manipulation of the drawing.

3D CAD software affords greater efficiency and significant savings in both lead times and drawing cost, also allowing 3D images and 3D CAD files to be outputted post hoc at a much reduced cost.

Orthographic Drawings Orthographic Drawings Orthographic Drawings Orthographic Drawings
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EXAMPLE TECHNICAL DRAWING WORK
Three-view assembly drawings
Annotated fabrication drawings
Fabrication technical drawing
Design blue prints
Technical drawings for
fabrication & assembly
2D production drawings
Installation drawings
Orthographic drawings
from design sketches
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