Intro to-freecad

Introduction to FreeCAD@clinton_freeman

Overview•House keeping

•Names

•Class structure

•Creating your first shapes

•Constructive Solid Geometry

• Practical example

FreeCAD

•Open Source

•Cross Platform (Windows, Mac, Linux)

• http://free-cad.sf.net/

Modes

Object Creation

Navigation & Selection

Exercise #1

•Create a box

•Create a cylinder

•Navigate around the objects

Exercise #1

Parametric shapes

Exercise #2

• Rotate the cylinder 90˚ along the x-axis

•Change the size of the square

•Change the position of the cylinder

Exercise #2

CSG - Cut

CSG - Add

CSG - Intersection

Exercise #3

Start with two boxes

• Box A - Size:(7.00, 50.00, 50.00)

• Box A - Pos:(0.00, 0.00, 0.00)

• Box B - Size: (7.00, 26.00, 50.00)

• Box B - Pos:(12.00, 0.00, 7.00)

•Union

Start with two boxes

Add a third box

• Box C - Size:(30.00, 26.00, 32.00)

• Box C - Pos:(12.00, 9.00, 14.00)

•Union

Add a third box

Add a cylinder

•Cylinder A - Size: (360.00, 52.00, 4.00)

•Cylinder A - Pos: (25.00, 51.00, 7.00)

•Cylinder A - Rot: (90˚, 1.00, 0.00, 0.00)

•Cut

Add a cylinder

Add another cylinder

•Cylinder B - Size: (360.00, 50.00, 7.60)

•Cylinder B - Pos: (25.00, 50.00, 27.50)

•Cylinder B - Rot: (90˚, 1.00, 0.00, 0.00)

•Cut

Add another cylinder

One more cylinder

•Cylinder C - Size: (360.00, 50.00, 7.50)

•Cylinder C - Pos: (25.00, 25.00, -2.00)

•Cylinder C - Rot: (0˚, 1.00, 0.00, 0.00)

•Cut

Finished Design

Next week...

• Introduction to 3D printing!

• Different printers and how they work

• Print the replacement part

One more thing

• Feedback

• https://www.surveymonkey.com/s/DIYTech