We are going to start by creating a 3D box using the box tool. Click on the Create toolbar and click on Box.
Click on the right face.
Click on the origin to place the first corner.
Click on the second corner 35x35mm
Extrude the box by 50mm
Click on the front view and right-click to create a sketch.
Click on the Sketch toolbar and select Text
Add the word FRONT with a height of 8mm
Click on right view and add the text RIGHT.
Click on the Create toolbar and select extrude.
Select the back face and extrude to 200mm
Click on Create sketch from the sketch toolbar
Select the right face
Create a construction line from the center of the height of the box 40mm using the line tool from the sketch toolbar
Change this line into a construction line by right clicking on the line you just created and clicking on Normal/Construction. (or type x)
It will then turn into a dotted line
Click on the sketch toolbar and select circle center diameter.
Select the end of the 40mm construction line to start the circle and enter a diameter of 30mm
When you are done Stop Sketch
Extrude the circle to 200mm using the extrude tool
When you are done this get Mr. Aliwalas to check your work before continuing.
Part 2 - Add another small circle from the checklist and the two lines on top and bottom connecting the two circles. Stop the sketch and extrude to 150mm.