Thread

Click on and Project OpenEngineeringNut and BoltThread

Draw a circle

Draw a circle with radius = 50 using 12 points (30 degrees each)

Draw a line as illustrated...

Copy point

Copy and move the point shown up to 12

Draw a new line

Delete the first line and draw a new (single line) as illustrated...

Move the point shown up 1

Move points up

Move the next point along up 2

Move the next point along up 3

Move points up

Move the next point along up 4

Move the next point along up 5

Move the next point along up 6

Move the next point along up 7

Move the next point along up 8

Move points up

Move the next point along up 9

Move the next point along up 10

Move the next point along up 11

Copy the line

Copy and move the line up 12

Copy the line

Copy and move the line to 6

Re-scale the line

Re-scale the line inwards using point 0 as the centre and the yellow arrow so the scale only changes the red (X) and green (Y) axis

Press Save to save the model

Save the thread

We will now save this thread so we can use it as the basis for the other models

Click on and Save As... save as bolt_thread

Click on and Save As... save as bolt_top

Click on and Save As... save as bolt_bottom

Click on and Save As... save as nut_thread

Click on and Save As... save as nut_top

Click on and Save As... save as nut_bottom

(click here to go back)