St Colmcille's Community School
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1st Year Classwork
2nd Year Classwork
Ellipse & Parabola
Orthographic
Auxiliary Views
Perspective
3D Drawing & Isometric Projection
Transformation Geometry
Equipment Needed
Short Questions
A-Auxiliary
A-CAD
A-Cutting Planes
A-Developments
A-Ellipse
A-Equal Widths
A-Freehand
A-Graphs
A-Isometric
A-Perspective
A-Plane Figures
A-Points of Contact
A-Projections
A-Rotations
A-Tangents
A-Triangles
Exam Tips
Long Questions
Q1-Orthographic
Q2-Rotations
Q3-3D Views
Q4-Developments
Q5-Transformations
Q6-Ellipse & Parabola
Exam Revision
Junior Cert Section A
CAD
(Computer Aided Design)
CAD Commands
Line -
Draw a line
Offset -
Make a parallel line that is offset be a certain distance from the original.
Mirror
- mirror a section of a drawing about a line
Dimension
- Add dimensions to your sketch
Trim
- Remove a section of line on your sketch
Chamfer
- Make an angled cut on a corner of your sketch
Circle
- Draw a circle on the sketch
Hatch
- Add hatched lines (diagonal lines) to a sketch to show which part is solid
Fillet
- Make a square corner into a round corner
Extrude Boss/Base
- Make a 2D sketch into a 3D object. (similar to squeezing toothpaste through the hole in the tube)
Past Exam Questions
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