Drafting Basics LESSON 1 Binder Pencil Why do

Drafting Basics LESSON 1

Binder? Pencil?

Why do we need standards? So everyone is on the same page Designers/ Engineers Management Builders Standards Scale Metric or imperial

3 d Images Perspective: at real world view Vanishing point

Isometric We choose Isometric because there is no Distortion in dimensions All sides are equal Drawn at 30 degrees

Oblique Drawn at 45 degrees Causes distortion

Dimension Standards

Worksheet 1 Single point perspective Letters and name

Worksheet 2 Isometric projection Draw me an Oblique Cube Perspective Cube Isometric cube

Limits of 3 d view One view No dimensions No notes No shading No information!

Orthographic projection 3 d objects displayed in 2 d 3 views Front Top

Orthographic projection There are 6 principle views We use top, front and right side Worksheet!!!!

Typical Orthographic drawing Top Side Front Pictoral

Construction lines

Construction lines

Construction Lines

Title block (Borders) Name ( DR: ) Drawing Number (DR # ) Date (24/09/2014) Scale (1: 1) School ( SCH: SESS

Title block (Borders) Name ( DR: ) Drawing Number (DR # ) Date (24/09/2014) Scale (1: 1) School ( SCH: SESS BLOCK CAPITAL LETTERS 1 cm tall