One of common spring type is compression spring, in this tutorials you will learn how to create compression spring with Solidworks step by step.
Let’s create this part
Learn how to create twist phone cord… with you mouse
First you need to have spiral, with circle base 2″ , 2 revolution and 2 pitch. Don’t know how? Refer this tutorial; Tutorial #2: How to create simple spring
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We can see almost every PC device having USB interface, in fact this USB head I model by my USB mouse connector. Look simple right? Nope.. that what I’ve realize after half way done this tutorial. It’s take 37 pages of 58 steps to complete.. 
In this solidworks tutorial you will learn extrude boss/base, extruded cut, linear pattern and circular pattern. The best part is it’s free! You can share with your friends and I encourage you to!
There is time we need to change our parts to metric units, but how? It’s very simple just few clicks its done. First click Option on top of main menu, 
open Document Properties tab, 
select Units in menu tree and check MMGS (millimeter, gram, second ). 
Ok, done!
In this solidworks tutorial, you will create simple allen key.
1. Click New. 
Click Part, 
OK.
2. Click Front Plane and click on Sketch.
1. Create round plate with diameter 2 in and 0.75 in height. 
2. Right click to Front Plane, click show. 
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