3D MACHINE COMPONENTS DRAWINGS

 CHAPTER TWO: 3D- THE FIRST APPROACH

    While 2D drawings (orthographic projections) only depict an aspect of an object such as the front, back, top and side elevations; 3D drawings on the other hand are the height of all drawing viewpoints, and they represent a full, real life perspective of objects and structures, hence are the most exacting of drawings. The 3D drawings are mostly known as isometric projections. 

     Moving from 2D to 3D is the most fitting thing to do next after mastering the art of 2D drawing. 3D primitives such as box, cones, solid spheres, torus, helix, cylinders, prisms, are combined, subtracted and intersected to produce these 3D models. To obtain an even more byzantine structure, modifying tools such as fillet, align, extrude, sweep, press-pull, offset, explode etc., are used. While AutoCAD provides an avenue to convert 2D wireframe drawings into 3D objects, or to directly build them from the primitives, AutoCAD is not in fact the most efficient for 3D modelling. Other software such as CATIA, Autodesk Inventor, and Solidworks are rated better. Personally I go for Solidworks.  

Below are some of my very first 3D isometric projections of small machine components and couplings, and mini machines; drawn with AutoCAD in conceptual and realistic visual styles. 





A pivot block and An Angle Bracket






Having built confidence and aptitude by trying out several other 3D sample models, I moved from here onto drawing full, integrated, large and medium size machines and apparatus. One that involved creating multiple 3D models and assembling each part to form a bigger equipment.

Location: Owerri, Nigeria

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