Drawing and Line Weight U1-L4 Drawing and Line Weight DRILL Answer in a complete sentence: A general sketching and technical drawing rule is to begin ALL lines as very thin lines. Why would this be? During the drill, either collect the grid copying assignment or check it. I suggest collecting it so that you can take a look in detail and provide appropriate feedback. If the drill says “write in a complete sentence,” students should not write the question. If the drill does not say to write in a complete sentence, students should write the questions too. Answer – in case you make mistakes, to set your drawing up well, to really determine the best location for lines.

DRAWING Rules for drawing: Pull your pencil, don’t push it. Use proper line weight Always start with LIGHT layout lines.

DRAWING Always pull your pencil, don’t push it. Mark two points, then draw your pencil between them. Use horizontal lines to connect the dots in Exercise 1 on your worksheet Use LIGHT lines!

DRAWING The LIGHT lines you start with are called Construction Lines. U1-L4 DRAWING The LIGHT lines you start with are called Construction Lines. ALL LINES should begin as Construction lines. Make sure students understand that ALL LINES BEGIN AS COSTRUCTION LINES. The purpose: in case you make a mistake, to get the right location, etc.

DRAWING Three line weights in this class: U1-L4 DRAWING Three line weights in this class: Light: very thin, not noticeable from 2’ Medium: thin, noticeable from 2’ Heavy: thick, obvious from 2’ Complete Exercise 2 – draw thin, medium, and heavy lines. ALL LINES BEGIN AS CONSTRUCTION LINES! These three lineweights are important and students should know them. The thin lines should be BARELY visible – you should have to get close to the paper to see them.

U1-L4 GRID ENLARGEMENT Turn over your worksheet and complete the grid enlargement. USE ONLY CONSTRUCTION LINES

U1-L4 GRID ENLARGEMENT

U1-L4 Homework Complete the grid enlargement exercise. CONSTRUCTION LINES ONLY. Due Friday: Assignment pad, Class notebook, Combination lock (no key), Ruler and compass